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Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients

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Basal ganglion stroke presenting as subtle behavioural change.

Stephanie J Wagner¹, T Begaz

¹University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA.

BMJ Case Reports

|June 21, 2011

Summary

Cerebral infarction, a brain stroke, can manifest subtly. This case study shows isolated abulia, a lack of motivation, as the sole symptom of a left basal ganglion infarct, emphasizing comprehensive neurological evaluation.

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Area of Science:

Neurology
Neuroscience
Clinical Medicine

Background:

Cerebral infarctions present with diverse neurological deficits, including motor impairments and behavioral alterations.
The basal ganglia play a crucial role in motor control, motivation, and executive functions.

Purpose of the Study:

To report a unique case of cerebral infarction presenting solely with abulia.
To underscore the diagnostic importance of considering infarcts in the basal ganglia for unexplained behavioral changes.

Main Methods:

Case report detailing a patient with acute onset of abulia.
Neuroimaging (e.g., MRI) to confirm the location and extent of the cerebral infarct.
Clinical assessment of neurological and behavioral symptoms.

Main Results:

A left basal ganglion infarct was identified as the cause of the patient's symptoms.
Abulia was the only presenting neurological sign, with no motor deficits observed.
The infarct's location correlated with the observed deficit in motivation and executive function.

Conclusions:

Isolated abulia can be the sole manifestation of a basal ganglion infarct.
A high index of suspicion and thorough diagnostic workup are essential for identifying subtle cerebral infarctions.
This case expands the spectrum of clinical presentations for basal ganglia lesions.