Anosognosia, What It Is, Symptoms & Treatments

In the intricate realm of human cognition lies a perplexing phenomenon known as anosognosia. With its elusive nature and puzzling implications, anosognosia challenges our understanding of self-awareness and perception. In this article, we embark on a journey to unravel the enigma of anosognosia, delving into its definition, causes, and the profound impact it has on individuals’ lives.

By We Level Up WA | Editor Yamilla Francese | Clinically Reviewed By Lauren Barry, LMFT, MCAP, QS, Director of Quality Assurance | Editorial Policy | Research Policy | Last Updated: May 22, 2023

Anosognosia Definition

Anosognosia is a neurological condition characterized by a person’s unawareness or denial of their own illness, disability, or impairment. It is a phenomenon where individuals with certain conditions, such as stroke, brain injury, or mental health disorders, cannot recognize or acknowledge their physical or cognitive limitations.

Despite objective evidence or feedback from others, individuals with this condition may genuinely believe they are functioning normally and show no awareness of their deficits. This lack of insight can have significant implications for treatment and rehabilitation, as it poses challenges in engaging individuals in therapy or interventions.

This condition remains a complex and intriguing aspect of neuroscience, prompting ongoing research and exploration into its underlying mechanisms and potential therapeutic approaches.

Anosognosia Symptoms

The symptoms of this condition can vary depending on the underlying condition causing it. However, there are some common signs and manifestations associated with this condition. These symptoms may include:

  • Lack of awareness: Individuals with this condition often demonstrate a complete lack of awareness or recognition of their own illness, impairment, or disability. They may not acknowledge or accept the existence of their limitations, despite clear evidence or feedback from others.
  • Denial or minimization: this condition can manifest as denial or minimization of the severity or impact. Individuals may downplay their symptoms or offer alternative explanations for their difficulties, attributing them to external factors rather than their own impairment.
  • Dismissing feedback: People with this condition may dismiss or reject feedback from healthcare professionals, family members, or friends who attempt to inform them about their condition. They may resist accepting their limitations and even become defensive or argumentative when confronted with their impairments.
  • Confabulation: In an attempt to maintain a coherent self-image, individuals with this condition may engage in confabulation. This involves creating fabricated explanations or narratives to fill in the gaps caused by their lack of awareness.
  • Difficulty with planning and problem-solving: this condition can impact a person’s ability to plan, strategize, or solve problems effectively. They may underestimate their challenges or have unrealistic expectations of their capabilities, leading to difficulties in daily activities or tasks.

It is important to note that this condition is not simply a result of denial or lack of insight. It is a complex neurological phenomenon that arises from specific brain dysfunctions. Therefore, understanding and addressing this condition requires specialized approaches tailored to the individual and their underlying condition.

Anosognosia Facts

The management of this condition is complicated. Because of many causes, the management is with an interprofessional team that includes a neurologist, psychiatrist, mental health nurse, primary care physician, and psychotherapist. 


This condition differs from denial, a psychological defense mechanism that involves avoiding or rejecting information that provokes stress or pain. With denial, the patient may acknowledge a deficit, minimize its consequences, and avoid treatments to remedy the deficiencies. This condition also differs from a more global derangement, such as encephalopathy, where there may be problems with wakefulness and attention. It differs from other deficits, such as visual, sensory, and cognitive, limiting patients’ ability to realize their deficits.


This condition can impair rehabilitation and recovery because patients who lack awareness of a deficit may be less inclined to participate in rehabilitation therapy to tackle neurological dysfunction. Patients with this condition also may suffer more frequent falls due to their lack of awareness of their deficits. Health providers may need to take safety precautions that they see fit to avoid injury.

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Anosognosia Statistics

This condition isn’t easy to treat. It might improve if you can persuade someone with it to keep taking or restart their medication. About one-third of people with schizophrenia who take medication have improved insight into their condition.


This condition is incredibly common with certain mental health conditions. Experts estimate that it affects between 50% and 98% of people with schizophrenia.

Source: NCBI


It affects about 40% of people with bipolar disorder.

Source: NCBI


It affects more than 80% of people with Alzheimer’s disease. It also happens to 10% and 18% of people with one-sided paralysis after a stroke.

Source: NCBI

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People with schizophrenia and anosognosia may deny or minimize their symptoms, fail to recognize the impact of the illness on their lives or attribute their experiences to external factors.
People with schizophrenia and anosognosia may deny or minimize their symptoms, fail to recognize the impact of the illness on their lives or attribute their experiences to external factors.

Anosognosia Schizophrenia

This condition can be a prominent feature in individuals with schizophrenia. It is estimated that approximately 50% of individuals with schizophrenia experience some degree of this condition regarding their illness. In the context of schizophrenia, this condition refers to a lack of awareness or insight into the presence and severity of the symptoms associated with the disorder.

People with schizophrenia and anosognosia may deny or minimize their symptoms, fail to recognize the impact of the illness on their lives or attribute their experiences to external factors. This lack of insight can be challenging for individuals and their caregivers or healthcare providers.

Anosognosia in schizophrenia can have significant implications for treatment adherence and engagement in therapy. Individuals may be less motivated to seek or comply with treatment as they do not perceive a need for intervention. They may resist medication, therapy, or other forms of support, hindering their overall recovery and well-being.

Healthcare professionals and caregivers must approach individuals with schizophrenia and this condition with empathy, understanding, and patience. Collaborative efforts, psychoeducation, and building a therapeutic alliance can help foster insight and gradually increase awareness of the illness. Specialized interventions, such as cognitive-behavioral therapy and family psychoeducation, have shown promising results in addressing this condition and improving outcomes for individuals with schizophrenia.

Anosognosia Dementia

This condition is also observed in individuals with dementia, particularly in conditions such as Alzheimer’s. In dementia, anosognosia refers to the lack of awareness or recognition of one’s cognitive decline and the associated functional impairments.

Individuals with anosognosia in dementia may underestimate or deny their memory loss, difficulties with problem-solving, language impairments, and other cognitive deficits. They may not recognize the need for assistance or support in their daily activities, leading to challenges in managing their own care and safety.

Anosognosia in dementia can be distressing for the affected individuals and their caregivers. It can increase the caregiver’s burden and make providing appropriate care and support difficult. Furthermore, it can affect treatment adherence and participation in activities aimed at managing the symptoms of dementia.

Anosognosia Bipolar

Anosognosia can also be present in individuals with bipolar disorder, although it may not be as commonly discussed or recognized as in other conditions like schizophrenia or dementia. this condition in bipolar disorder refers to a lack of awareness or insight into one’s mood swings, manic or depressive episodes, and their impact on functioning and relationships.

Individuals with bipolar disorder and anosognosia may have difficulty recognizing the severity or existence of their mood episodes. They may not acknowledge the need for treatment or fail to recognize the consequences of their behavior during manic or depressive states. This lack of insight can lead to difficulty managing the disorder effectively and may result in difficulties maintaining stability and overall well-being.

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Anosognosia Treatments

Treating this condition can be challenging, as it is a complex neurological condition rooted in the brain’s perception and self-awareness mechanisms. However, several approaches have been developed to address this condition. It’s important to note that treatment strategies may vary depending on the underlying condition causing anosognosia, such as stroke, brain injury, schizophrenia, or dementia. Here are some potential treatment options:

  • Psychoeducation: Providing individuals and their caregivers with comprehensive information about the condition can help increase awareness and understanding. Educating them about the specific deficits, their impact on daily life, and the potential benefits of treatment can foster insight and engagement.
  • Therapeutic alliance: Building a trusting and collaborative relationship between healthcare professionals, individuals with this condition, and their caregivers is crucial. Individuals may be more receptive to feedback and interventions by establishing a supportive environment.
Treating anosognosia can be challenging, as it is a complex neurological condition rooted in the brain's perception and self-awareness mechanisms.
Treating anosognosia can be challenging, as it is a complex neurological condition rooted in the brain’s perception and self-awareness mechanisms.
  • Cognitive-behavioral therapy (CBT): CBT can help individuals challenge their distorted beliefs and develop strategies to cope with their condition. It promotes awareness, identifies and modifies cognitive distortions, and enhances problem-solving skills.
  • Environmental modifications: Modifying the individual’s physical environment can help compensate for their deficits and improve functioning. Simplifying routines, implementing reminders and visual aids, and creating structured environments can support daily activities and minimize the impact of this condition.
  • Medication management: In some cases, pharmacological interventions may be considered to address the underlying condition contributing to this condition. Medications targeting specific symptoms or the underlying neurological cause may be prescribed in consultation with a healthcare professional.
  • Family involvement and support: Involving family members and caregivers in the treatment process can be beneficial. They can provide support, reinforcement, and assistance in implementing strategies to manage the individual’s condition.

It is important to remember that the effectiveness of treatment for this condition can vary depending on individual factors, the underlying condition, and the severity of this condition. Treatment plans should be tailored to the individual’s specific needs and implemented in collaboration with a multidisciplinary team of healthcare professionals

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Search We Level Up WA / Mental Health & Resources
  1. National Institute of Mental Health (NIMH) – Anosognosia and Mental Illness:
  2. National Alliance on Mental Illness (NAMI) – Anosognosia: Lack of Insight or Awareness:
  3. Centers for Disease Control and Prevention (CDC) – Anosognosia and Brain Injury:
  4. Substance Abuse and Mental Health Services Administration (SAMHSA) – Anosognosia and Substance Use Disorders:
  5. National Institute on Aging (NIA) – Anosognosia in Dementia:
  6. National Institute of Neurological Disorders and Stroke (NINDS) – Anosognosia and Stroke:
  7. U.S. Department of Veterans Affairs (VA) – Anosognosia and Traumatic Brain Injury:
  8. Office of Rare Diseases Research (ORDR) – Anosognosia and Rare Diseases:
  9. Agency for Healthcare Research and Quality (AHRQ) – Anosognosia and Mental Health Care:
  10. National Library of Medicine (NLM) – Anosognosia: An Overview: