Dec. 24, 2025

The Stranger in the Mirror Phenomenon

The Stranger in the Mirror Phenomenon

In this episode, we explore one of the lesser-known but deeply impactful experiences people living with dementia may face the “Stranger in the Mirror” phenomenon. This occurs when a person no longer recognizes their own reflection and instead believes they are seeing a stranger, a visitor, or even a new friend.

Through the true story of Harold and his wife, Nancy, we take a heartfelt and enlightening look at how this phenomenon appears in day-to-day life. Harold’s journey—complete with hallway conversations, shared cookies, and misplaced shoes—illustrates the complicated blend of memory loss, perception changes, and shifting self-identity that dementia often brings.

We break down:

  • What the “stranger in the mirror” phenomenon is and why it occurs
  • How dementia affects self-recognition, perception, and visuospatial processing
  • Why mirrors can trigger confusion, fear, or unexpected interactions
  • How caregivers can respond with compassion, understanding, and safety in mind
  • What environmental and communication strategies can ease distress

Listeners and viewers will also learn practical, actionable tools for navigating these moments, including how to adjust the environment, reduce triggers, create emotional safety, and “join their reality” when appropriate.

This episode offers:

 ✔ A relatable real-life story that captures the emotional core of dementia caregiving

 ✔ Clinical insights into mirror misidentification and related cognitive changes

 ✔ A clear explanation of contributing neurocognitive and environmental factors

 ✔ Communication approaches caregivers can use to reduce fear and frustration

 ✔ An environmental checklist to help create a more supportive care space

 ✔ Guidance on when to seek additional medical evaluation or professional support

The Stranger in the Mirror phenomenon isn’t just about misrecognizing a reflection—it’s about the profound ways dementia reshapes identity, memory, and perception. By understanding what is happening beneath the surface, caregivers can respond with the patience, empathy, and reassurance their loved ones truly need.

About the Host:

Author Lisa Skinner is a behavioral specialist with expertise in Alzheimer’s disease and related dementia. In her 30+year career working with family members and caregivers, Lisa has taught them how to successfully navigate the many challenges that accompany this heartbreaking disease. Lisa is both a Certified Dementia Practitioner and is also a certified dementia care trainer through the Alzheimer’s Association. She also holds a degree in Human Behavior.

Her latest book, “Truth, Lies & Alzheimer’s – Its Secret Faces” continues Lisa’s quest of working with dementia-related illnesses and teaching families and caregivers how to better understand the daunting challenges of brain disease. Her #1 Best-seller book “Not All Who Wander Need Be Lost,” was written at their urging. As someone who has had eight family members diagnosed with dementia, Lisa Skinner has found her calling in helping others through the struggle so they can have a better-quality relationship with their loved ones through education and through her workshops on counter-intuitive solutions and tools to help people effectively manage the symptoms of brain disease. Lisa Skinner has appeared on many national and regional media broadcasts. Lisa helps explain behaviors caused by dementia, encourages those who feel burdened, and gives practical advice for how to respond.

So many people today are heavily impacted by Alzheimer's disease and related dementia. The Alzheimer's Association and the World Health Organization have projected that the number of people who will develop Alzheimer's disease by the year 2050 worldwide will triple if a treatment or cure is not found. Society is not prepared to care for the projected increase of people who will develop this devastating disease. In her 30 years of working with family members and caregivers who suffer from dementia, Lisa has recognized how little people really understand the complexities of what living with this disease is really like. For Lisa, it starts with knowledge, education, and training.

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Lisa Skinner:

Welcome once again to the truth lies and

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Alzheimer's television show. I'm Lisa Skinner, your host, and I

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have, as promised, another new episode planned for you all.

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Today, I am going to be talking about a very unusual phenomenon

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that happens to people, some people who live with dementia.

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It's called the stranger in the mirror. Now, some of you may

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have actually witnessed it, but may not have been aware that it

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is a real thing. So before we dive in, I just wanted to remind

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everybody that we do have updated resources and

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information being uploaded continuously on the website. You

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can find us at minding dementia.com so when a person

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with Alzheimer's or related dementia display hallucinations,

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they may see, hear, smell and even taste or feel something

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that isn't there. Some hallucinations may be

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frightening, while others may involve ordinary visions of

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people, situations or objects from the past. Now, according to

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the Alzheimer's Association, hallucinations are false

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perceptions of objects or events involving their senses. These

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false perceptions are caused by changes within the brain that

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result from Alzheimer's disease, usually in the latter stages of

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the disease. So the people may see the face of a former friend

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in a curtain, or may see insects crawling on his or her hand. In

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other cases, a person may hear someone talking and may even

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engage in conversation with that imagined person, like you're

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going to hear in this true story that I'm about to tell you,

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called stranger in the mirror. Okay? Harold had been diagnosed

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with Alzheimer's disease, and he lived with his wife, Nancy, who

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was his primary caregiver. One day, Nancy was sitting in the

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living room watching TV, and she noticed Harold ambling down the

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hallway. He paused as he passed the hallway mirror, nodded at

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his reflection and continued into the living room, where

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Nancy was watching TV. Who's that guy? He asked Nancy Well,

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she replied, What guy that older guy in the hallway? Nancy looked

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down the hallway and saw the mirror. Oh, that's Harold. She

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said. Oh, said, Harold shrugging his shoulders as he headed into

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the kitchen. Then over the next several months, Nancy watched

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Harold's relationship with his new friend, Harold blossom. She

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overheard them discussing a variety of subjects, including

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sports, aviation and her Harold's favorite kind of

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cookie. Lorna dunes, you gotta try these. Nancy overheard her

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Harold saying to the mirror? Harold one night, the next

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morning, she found two smashed up Lorna dune cookies on the

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floor beneath the mirror. He had actually tried to give them,

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give the mirror Harold the cookies. On another day, Harold

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came dashing into the living room and demanded to know where

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his reading glasses were. I didn't take your glasses. Nancy

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said, without even looking up from the TV, moments later, she

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heard Harold's voice from the hallway. You didn't take my

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glasses, did you, buddy? Nah. He said to the mirror, you're not

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that kind of guy. I think you're my friend. Well, a few days

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later, Nancy caught her husband looking at his feet in the full

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length mirror in the hallway. He turned to her and he said,

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Harold and I must be getting really close. Apparently, I gave

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him my shoes. Nancy mentioned her husband's imaginary friend

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at a support group that she attended regularly, and she

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learned that Harold's behavior wasn't. Actual thing. It was a

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common phenomenon that is called stranger in the mirror. She

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joked to the group that Harold's new friend wasn't the stranger,

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it was her husband that she no longer recognized as Alzheimer's

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disease progresses, she learned the short term, memory

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diminishes, and the person with dementia believes that they are

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a younger version of themselves. They're going backwards in their

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timeline. When he looked in the mirror and saw his reflection

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and saw an older man, he didn't believe that that could possibly

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be him, so the group's recommendation was that she

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cover up the mirror or remove it altogether, or to continue to

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join his reality like she had been doing by continuing To go

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along with his story, Nancy went home that evening and covered up

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the mirror, and then her Harold said, well, Mirror, mirror.

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Harold must have found a new place to hang out, said Harold,

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and then he never mentioned his name again. So this phenomenon

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commonly referred to a stranger in the mirror does occur when

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people with dementia misrecognize their own

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reflection as a stranger or an unfamiliar person. This

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experience intersects with several dementia related

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cognitive and perceptual changes, including Visio spatial

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deficits, also with preserved recent memory, contrasted with

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impaired semantic or logical knowledge and with fluctuating

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awareness. Now, as we know, dementia is a broad syndrome

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characterized by progressive cognitive decline that

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interferes with daily life. Therefore, within the

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constellation of symptoms that we see, individuals may

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experience disturbances in self perception and social

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recognition. Some people with dementia even report seeing

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themselves in mirrors as strangers, which can be

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distressing for both the person living with dementia and also

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their caregivers and family members, while not as widely

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discussed as memory loss or language impairment. Mirror

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recognition phenomena are clinically relevant because they

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reflect the underlying neural changes and can influence

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behavior, safety and emotional well being. So what exactly is

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the stranger in the mirror phenomenon. It refers to a

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misrecognition of one's own reflection, wherein the person

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perceives the person in the mirror as being somebody else,

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other than themselves. It may manifest as confusion, fear,

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concern, or scripted phrases like, who is that person? Just

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like Harold asked Nancy or that man is not me. There are several

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variations in how people may not recognize themselves. Full

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misrecognition is when the person believes the reflection

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is a separate individual, like Harold did. Partial

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misrecognition is when the reflection is identified but

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described as being unfamiliar,

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an unfamiliar version of themselves, a common response is

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that they may display fear or anxiety elicited by seeing that

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mirror image, sometimes accompanied by attempts to Avoid

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the mirror. Contextual triggers include mirrors in certain

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contexts, like bathrooms, hallways, elevators or times,

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different times of the day, evening, during the sundowning

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periods, may provoke the phenomenon, so distinguishing

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from the stranger in the mirror phenomenon, there are also

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conditions called prosopaganosia, which is face

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blindness. And what happens there is a person will have

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difficulty recognizing familiar faces, which can complicate

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mirror recognition, but is not identical. To misidentifying

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one's own reflection. They could also be having an illusion or

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confabulation, meaning misinterpretations of sensory

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input or fabricated memories mirror misrecognition can co

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occur with these they may be experiencing delirium, which is

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defined as acute, fluctuating confusion. Mirror misrecognition

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can appear during delirium, but is often chronic in dementia.

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Possible causes for why this occurs? First of all, due to

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neurocognitive factors, physiospatial and perceptual

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processing deficits, dementia, particularly Alzheimer's disease

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and Lewy body dementia, can impair visual processing and

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facial recognition pathways, contributing ambiguous visual

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input from a reflection self awareness and metacognition,

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decline is another factor, and that's the ability to attribute

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thoughts and identity to the self may be deteriorating, or

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may have deteriorated, weakening the sense of self and leading to

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mis attribution of the reflection another one memory

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and semantic or logical knowledge disruption, impairment

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of logical memory can undermine stable self knowledge, making it

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harder to recognize one's own image as me being themselves.

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Executive dysfunction, which is difficulties with attention

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monitoring and updating self related information may also be

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contributing to the misidentification. Then there's

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sensory integration and environment. There's mirror

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ambiguity, which means reflections are dynamic,

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reversible images that require integration of multiple sensory

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cues in dementia, the integration process can be

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faulty, leading to misperception. For some

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individuals, the reflection may appear unsettling, triggering

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fear based responses that reinforce avoidance or

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misinterpretation. Now, I have heard over the decades many

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stories of caregivers who have led the person they're caring

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for into a bathroom, and then all of a sudden, and they pass

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by a mirror on the way to the shower, and all of a sudden,

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they just flat out refuse to take that shower. And

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caregivers, unless they know about Stranger in the mirror,

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can't, for the life of them, figure out, okay, what just

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happened? Well, the person with dementia saw the reflection in

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the mirror, did not recognize it as being themselves, and

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thought, literally thought there was a stranger in the bathroom

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with them who was going to watch them take their clothes off and

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get into the shower, and they absolutely refused. So this is

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one benefit to knowing about Stranger in the mirror, because

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if that happens to you, you may realize that it's because your

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person saw the reflection in the mirror and didn't recognize

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themselves and assumed it was a stranger watching them. Symptoms

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and dementia can vary by time of day. We call that sundowning or

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arousal level influencing the likelihood and intensity of

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having the misrecognition, and it definitely has an impact on

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daily life. As I mentioned, it can cause distress or fear when

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encountering the mirror, can lead to avoidance, withdraw or

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or anxiety and agitation, repetitive questioning or

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attempts to change the mirror image can occur. I've heard of

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people who have actually hit the mirror out of fear because they

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thought a stranger had intruded into their home. Now potential

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safety concerns, if the person misinterprets their surroundings

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or misread social cues during interactions, are a realistic

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concern. So how do you distinguish from other symptoms?

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It is. Not uncommon for this phenomenon to co occur with

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other visual disturbances or delusions. So careful assessment

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is needed to differentiate normal aging, mild cognitive

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impairment, delirium and progressive dementia

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progression. So what caregivers can do when this occurs. Here

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are some immediate response strategies for you always remain

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calm and reassuring, approach your person gently from the

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front, avoid confrontation and acknowledge their emotions, for

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example, I can see that you're that that reflection is very

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confusing for you, but I'm here with you. Avoid arguing the

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reality of the mirror image, arguing can only increase

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distress and agitation. You can try offering a distraction or a

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redirection, engage in a comforting activity or change

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their environment. For example, dim the mirror, cover the mirror

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briefly with a towel or a blanket, take them into a

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different room, and then you always, always want to consider

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their safety first, if fear or agitation leads to unsafe

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behaviors like pacing or attempts to flee, provide A safe

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calm space and consider supervision. There's also

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environmental modifications to think about and consider

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utilizing, like mirror management, so temporarily

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removing or obscuring mirrors in areas where misrecognition is

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frequent, using frosted or slightly tinted mirrors that can

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reduce clarity, staging and orientation. You can label rooms

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with simple signs and provide gentle environmental cues to

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reduce the person's confusion about where they are. Consider

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lighting adjustments by providing adequate steady

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lighting to minimize Stark reflections and shadows that can

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increase misperception. Here are some effective communication

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techniques you can try use simple, clear statement avoid

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negation, which can create more confusion instead of saying

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that's not you try saying, Oh, that's a reflection, but I'm

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here with you. Validate their feelings. I understand that this

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is scary. Slow pacing. Give time for processing. Do not rush the

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conversation.

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Here are some behavioral and psychological consideration.

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Monitor for what triggers these behaviors, the time of day,

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specific environments, recent events that may precipitate the

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phenomenon, screen for comorbid conditions like anxiety,

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depression, visual impairment or delirium, which can worsen

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perceptual disturbances. Consider medical review. If the

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event is new. You've been caring for this person for a while, and

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you've never seen this happen before, or increasingly

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frequent, evaluate for reversible factors, such as

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maybe they now have some vision impairment problems, or they

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have an infection, maybe they're not adapting to a medication

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that was recently prescribed, or there's some metabolic issue

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going on there. So there are therapeutic and supportive

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interventions available. Some examples are occupational

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therapy, and they can provide strategies to cope with

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perceptual disturbances and help adapt to daily routines. There's

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psychological support, counseling or therapy for the

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caregiver to manage stress and prevent burnout. And of course,

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there's Dementia Care, training, education or communication

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techniques and environmental strategies. And then finally,

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other things to consider. Safety planning, assess fall risk. If

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the person reacts suddenly to the mirror, it might catch them

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off balance, ensure close. Or free spaces to reduce confusion,

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plan for times of day when misrecognition is more likely,

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and adjust their activities accordingly. Respect for

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autonomy and dignity is critical, even when

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misrecognition occurs, the person's subjective experience

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and feelings should be acknowledged and honored. Use

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non stigmatizing language, use Person Centered language, and

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avoid labeling or belittling phrases related to the

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misperception now, cultural beliefs can play a role about

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mirrors and self image. Cultural norms may influence how

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individuals interpret mirror reflections and how their family

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members or even caregivers respond. So here are some

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practical tools for caregivers and clinicians stay calm and non

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confrontational, acknowledge their emotions, avoid arguing

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about reality, assess their safety, remove immediate threats

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and provide a safe space. Modify the environment the mirror. Use

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lightning, lighting as needed, redirect attention to comforting

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activities, document what you believe to have triggered this

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reaction, the frequency and outcomes for medical teams

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review their medications and medical status with the health

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care providers. Use simple, short phrases and a gentle tone,

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correcting the person or asserting that is you validate

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again. I can see you're upset by this reflection, and I'm here

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with you again. Redirect by offering a preferred activity or

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a distraction. And then finally, environmental checklist. Are

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mirrors present in high traffic rooms? Is lighting even and not

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creating a glare? Are reflective surfaces covered or softened in

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the areas of concern? Is there a consistent daily routine to

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reduce their confusion. So in conclusion, the stranger in the

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mirror phenomenon is a niche but meaningful expression of the

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broader cognitive cognitive and perceptual changes seen in

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dementia. It reflects disruptions in self perception,

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visuospatial processing and emotional regulation. And while

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not everyone with dementia will experience this phenomenon when

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it occurs, it can be distressed. Distressing for both the person

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and their caregiver. A compassionate, patient centered

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approach that emphasizes safety, environmental adjustments,

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effective communication and caregiver support is always

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essential. So that's what I have for you today. I hope you found

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that really interesting, and it is a real thing. As a matter of

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fact, the story of Harold, I was one of my eight family members

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that had Alzheimer's disease. That was my dad's twin brother,

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and his name actually was Harold. So my aunt Nancy told me

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that story years ago, and I thought it was so cute. But in

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other cases, it can represent safety issues and danger to

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people. This particular story was just really sweet and cute,

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so that'll do it for today's episode of the truth lies in

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Alzheimer's. I'm Lisa Skinner, your host, and don't forget

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about visiting minding dementia.com. And look for those

Lisa Skinner:

updated resources and information that we provide for

Lisa Skinner:

you on a regular basis. I'll be back next week with another

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brand new episode for you, and thanks again for joining me

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today. I really appreciate you spending part of your day with

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me today, and every other day that you come and listen to

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another episode, have a great rest of your week. Be happy,

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stay healthy and I will see you again next time bye, bye.