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Gathering Self-Initiated Rat Behavioral Data to Characterize Post-Stroke Deficits

Gathering Self-Initiated Rat Behavioral Data to Characterize Post-Stroke Deficits

Published on: March 15, 2024

Executive (dys)function after stroke: special considerations for behavioral pharmacology.

Jessica M Povroznik^1,2,3, Jenny E Ozga⁴, Cole Vonder Haar⁴

¹Center for Basic and Translational Stroke Research.

Behavioural Pharmacology

|September 15, 2018

Summary

Stroke survivors often experience executive dysfunction, impacting decision-making and memory. This review explores the brain

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Computerized Adaptive Testing System of Functional Assessment of Stroke

Computerized Adaptive Testing System of Functional Assessment of Stroke

Published on: January 7, 2019

Area of Science:

Neuroscience
Neurology
Neurobiology

Background:

Stroke is a primary cause of death and disability globally.
Cognitive deficits, particularly executive dysfunction, are common secondary consequences of stroke.
Executive dysfunction includes impairments in decision making, working memory, and cognitive flexibility.

Purpose of the Study:

To review cognitive deficits, specifically executive dysfunction, following stroke in humans and animal models.
To examine the cellular and molecular mechanisms underlying executive dysfunction post-stroke.
To explore the role of biogenic monoamine neurotransmission in stroke-related executive dysfunction.

Main Methods:

Review of existing literature on stroke, executive dysfunction, and neurobiology.
Focus on catecholaminergic (dopaminergic, noradrenergic) and serotonergic systems.
Analysis of neurotransmitter synthesis, distribution, reuptake, and degradation pathways.

Main Results:

Stroke significantly impacts executive functions, affecting decision making, working memory, and cognitive flexibility.
Alterations in catecholaminergic and serotonergic neurotransmission are key molecular underpinnings.
Secondary consequences like depression and addiction potential are linked to executive function deficits.

Conclusions:

Understanding the neurobiological basis of executive dysfunction is crucial for stroke recovery.
Pharmacological strategies targeting monoamine systems may offer therapeutic potential.
Further research is needed to address limitations in treating stroke-related executive dysfunction.