Related Experiment Video
Updated: May 23, 2026
04:42
Developing a Rat Model for Bipolar Disorder
Published on: May 2, 2025
Acute bipolar I affective episode presentation across life span
Rayan K Al Jurdi1, Quang X Nguyen, Nancy J Petersen
1Michael E. DeBakey VA Medical Center, Houston, TX 77030, USA. rayana@bcm.tmc.edu
Journal of Geriatric Psychiatry and Neurology
|April 3, 2012
Summary
Elderly and younger adults exhibit similar bipolar I disorder (BD I) acute depression and mood elevation symptoms. This study found no significant age-related differences in symptom presentation or severity for bipolar I patients.
Area of Science:
- Psychiatry
- Gerontology
- Clinical Psychology
Background:
- Limited research exists on age-related differences in bipolar I disorder (BD I) symptom presentation.
- Existing literature offers conflicting information on how BD I symptoms manifest across different age groups.
Purpose of the Study:
- To compare the symptom profiles of bipolar I disorder patients experiencing acute affective episodes.
- To evaluate differences in symptom presentation between younger (20-59) and older (≥60) adults with bipolar I disorder.
Main Methods:
- Analysis of participants from the Systematic Treatment Enhancement Program for Bipolar Disorder (STEP-BD) with a lifetime diagnosis of bipolar I disorder.
- Comparison of the frequency and severity of acute mania, hypomania, and depression symptoms between younger and older adult age groups.
Main Results:
- No statistically significant differences were found in the frequency or severity of acute depression symptoms, except for distractibility.
- Psychotic symptoms and mood elevation severity showed no significant differences between younger and older individuals.
- Irritability was reported at nearly identical rates (97.7% vs. 97.8%) in both age groups.
Conclusions:
- Age is not significantly associated with the presentation or severity of acute depression and mood elevation symptoms in bipolar I disorder.
- Acute bipolar I affective states appear to present similarly in older and younger adult populations.
Related Concept Videos
01:30Bipolar Disorder
Bipolar disorder is a chronic mental health condition marked by significant mood fluctuations, including episodes of mania and depression. Elevated energy levels, heightened mood or irritability, impulsive behavior, reduced sleep needs, rapid speech, racing thoughts, inflated self-esteem, and distractibility characterize mania. Individuals with bipolar disorder often alternate between depressive and manic states, with periods of emotional stability lasting an average of six months to a year.
01:24Mania and Antimanic Drugs: Overview
Mania, a psychological condition characterized by elevated mood, increased energy, and reduced sleep need, is part of the bipolar disorder cycle. The exact cause of mania isn't entirely known, but it is thought to be a combination of genetic, environmental, and neurological factors. Bipolar disorder involves alternating manic and depressive episodes. Mood stabilizers like lithium, antipsychotics, and anticonvulsants help manage these episodes. Lithium carbonate is particularly effective as a...
01:25Borderline Personality Disorder
Borderline Personality Disorder is a complex and multifaceted mental health condition characterized by pervasive instability in interpersonal relationships, self-image, emotions, and impulse control. This instability manifests in extreme emotional reactions, fear of abandonment, and self-destructive behaviors. The disorder significantly impacts daily functioning, often leading to distress in both personal and professional domains.
Genetic and Environmental Contributions
Borderline Personality...
Genetic and Environmental Contributions
Borderline Personality...
01:18Depression: Overview
Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...
01:27Depressive Disorders: MDD and Dysthymia
Depressive disorders are a group of mental health conditions characterized by pervasive feelings of sadness, diminished pleasure in life, and a significant impact on daily functioning. These conditions are most prevalent in individuals during their 30s and affect women at twice the rate of men. Contrary to popular belief, younger individuals are generally more susceptible to these disorders than older adults. Two key types of depressive disorders include Major Depressive Disorder (MDD) and...
01:28Psychosis and Antipsychotic Drugs: Overview
The term "psychosis" refers to a spectrum of mental disorders characterized by abnormal thoughts, perceptions, and behaviors. It can manifest as mood disorders, dementia, delirium with psychotic features, substance-induced psychosis with psychotic features, brief psychotic disorder, delusional disorder, schizoaffective disorder, and schizophrenia. Among all these disorders, schizophrenia is the most common psychotic disorder, affecting 1% of the worldwide population. Psychotic symptoms in all...