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Related Concept Videos

Ischemic Stroke ll: Pathophysiology01:15

Ischemic Stroke ll: Pathophysiology

An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...
Depression: Overview01:18

Depression: 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,...
Stroke: Introduction and Types01:29

Stroke: Introduction and Types

A stroke is an acute neurological event caused by the sudden disruption of cerebral blood flow, leading to rapid loss of neuronal function. Neurons depend on continuous oxygen and glucose supply, so even brief interruptions can cause irreversible injury within minutes. Strokes are classified into ischemic and hemorrhagic types.Ischemic StrokeIschemic strokes are most common and occur due to arterial occlusion, depriving brain tissue of oxygen and nutrients. This leads to energy failure, ionic...
Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
Post-traumatic Stress Disorder01:27

Post-traumatic Stress Disorder

Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events, are a...
Depressive Disorders: MDD and Dysthymia01:27

Depressive 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...

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Related Experiment Video

Updated: May 11, 2026

A Middle Cerebral Artery Occlusion Technique for Inducing Post-stroke Depression in Rats
04:38

A Middle Cerebral Artery Occlusion Technique for Inducing Post-stroke Depression in Rats

Published on: May 22, 2019

Is poststroke depression a major depression?

Carlos E da Rocha e Silva1, Marco A Alves Brasil, Emilia Matos do Nascimento

  • 1Clementino Fraga Filho University Hospital, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil. cdarocha@terra.com.br

Cerebrovascular Diseases (Basel, Switzerland)
|May 3, 2013
PubMed
Summary
This summary is machine-generated.

Poststroke depression (PSD) presents with mild to moderate symptoms, primarily depressed mood and anhedonia. Understanding PSD

Related Experiment Videos

Last Updated: May 11, 2026

A Middle Cerebral Artery Occlusion Technique for Inducing Post-stroke Depression in Rats
04:38

A Middle Cerebral Artery Occlusion Technique for Inducing Post-stroke Depression in Rats

Published on: May 22, 2019

Area of Science:

  • Neuroscience
  • Psychiatry
  • Clinical Psychology

Background:

  • Poststroke depression (PSD) is the most common neuropsychiatric complication following a stroke.
  • Limited research exists on PSD psychopathology due to varied methodologies.
  • This study aims to define the symptom profile of PSD for improved diagnosis.

Purpose of the Study:

  • To characterize the psychopathological symptom profile of poststroke depression (PSD).
  • To differentiate PSD symptoms from major depression (MD) without comorbidities.
  • To inform diagnostic and therapeutic strategies for PSD.

Main Methods:

  • Compared 64 patients in three groups: no depression, PSD, and MD.
  • Utilized Structured Clinical Interview for DSM-IV Axis I Disorders (SCID-I) for diagnosis.
  • Administered Beck Depression Inventory (BDI), HADS, HAM-D, and HAM-A for symptom assessment.

Main Results:

  • Major depression patients exhibited significantly higher symptom scores than PSD patients.
  • PSD patients displayed milder symptoms including depressed mood, anhedonia, and anxiety.
  • Somatic symptoms did not significantly increase major depression diagnoses in stroke patients.

Conclusions:

  • PSD typically involves mild to moderate symptoms, notably depressed mood and anhedonia.
  • The boundaries between PSD, subclinical depression, and adjustment disorders require further clarification.
  • A detailed psychopathological profile of PSD is crucial for tailored interventions.