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Related Experiment Video

Updated: Jan 15, 2026

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions

Published on: April 23, 2021

Visual and Cognitive Disorders Associated With Isolated Lingual Gyrus Infarctions.

Emre Kumral¹, Fatma Ece Çetin¹, Zeynep Deniz Çetin¹

¹Ege University, Medical School Hospital, Neurology Department, İzmir, Turkey.

The Journal of Neuropsychiatry and Clinical Neurosciences

|October 16, 2025

Summary

Isolated lingual gyrus strokes are rare but impact vision and memory. These strokes can cause visual field defects, memory issues, and color perception problems, highlighting the lingual gyrus's role in visual processing.

Keywords:

Achromatopsia Alexia Without Agraphia Prosopagnosia Topographical Disorientation Visual Irreminiscence Visual Memory

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Published on: December 28, 2014

Area of Science:

Neurology
Neuroscience
Ophthalmology

Background:

The lingual gyrus is crucial for visual processing, including color, memory, and facial recognition.
Isolated ischemic stroke of the lingual gyrus is an uncommon condition.

Purpose of the Study:

To evaluate the clinical, neuro-ophthalmological, and cognitive features of patients with isolated lingual gyrus infarctions.

Main Methods:

Analysis of 10 patients with isolated lingual infarctions over a 10-year period.
Assessment of visual and cognitive functions.
Structural MRI data used to delineate ischemic areas with MRIcroGL software.

Main Results:

Lingual gyrus infarctions constituted 3% of posterior cerebral artery territory strokes.
Common symptoms included superior quadrantanopia with visuocognitive disturbances (7/10 patients).
Lesions correlated with visual memory deficits (right-sided) and verbal memory deficits (left-sided), alongside color vision impairments and topographagnosia in some cases.

Conclusions:

The lingual gyrus is vital for various visual and cognitive functions.
Common stroke causes in this region include arterial-to-arterial and cardiac emboli.
Understanding these deficits is key for managing lingual gyrus stroke patients.