Related Experiment Video
Updated: Jun 20, 2026

A Behavioral Test Battery for the Repeated Assessment of Motor Skills, Mood, and Cognition in Mice
Published on: March 2, 2019
Behavioral and psychological symptoms of dementia: A study of symptomatology
Background:
Behavioral disturbances are integral to the dementing process and contribute adversely to the quality of life of the patients and caregivers. Information regarding the nature of symptoms in Alzheimer's disease is limited in the Indian context.
Aim:
To study the nature of symptoms in Alzheimer's disease using the Malayalam adaptation of Behavioral Pathology in Alzheimer's disease Rating Scale (BEHAVE-AD).
Materials And Methods:
Forty patients diagnosed as having Alzheimer's disease as per DSM-IV criteria were studied using the Malayalam version of BEHAVE-AD.
Results:
Delusions and paranoid ideations were present in 53% of the sample studied and 33% had hallucinations. Activity disturbances were seen in 65%, aggressive symptoms in 75% and diurnal rhythm disturbances in 55%. Affective disturbances and anxiety symptoms were present in 37% and 43% respectively.
Conclusion:
The prevalence of behavioral and psychological symptoms of dementia was found to be high.
Related Concept Videos
Dementia
The progression of dementia is generally gradual.
Negative and Cognitive Symptoms of Schizophrenia
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
Dementia l: Introduction
Positive Symptoms of Schizophrenia: Hallucinations and Delusions
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes loosely...
Alzheimer Disease l: Introduction
Alzheimer's Disease: Overview
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ and tau...
