Related Experiment Video
Updated: May 1, 2026

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
Published on: April 23, 2021
Cognitive function in idiopathic intracranial hypertension: a prospective case-control study
Hanne Maria Yri1, Birgitte Fagerlund, Hysse Birgitte Forchhammer
1Danish Headache Center, Department of Neurology, Glostrup Hospital, University of Copenhagen, Glostrup, Denmark.
Idiopathic intracranial hypertension (IIH) is linked to significant cognitive deficits, particularly in reaction time and processing speed. These deficits persist even after treatment, suggesting a need for comprehensive multidisciplinary care.
Area of Science:
- Neuroscience
- Ophthalmology
- Neurology
Background:
- Idiopathic intracranial hypertension (IIH) is a neurological condition characterized by increased intracranial pressure (ICP) without a clear cause.
- Cognitive dysfunction can significantly impact the quality of life and functional independence of patients with IIH.
Purpose of the Study:
- To investigate the extent and nature of cognitive impairments in patients diagnosed with IIH.
- To assess cognitive function at diagnosis and after three months of treatment for IIH.
Main Methods:
- A prospective case-control study was conducted involving 31 patients with IIH and 31 age- and sex-matched healthy controls.
- Cognitive domains including executive function, working memory, visuospatial memory, processing speed, attention, and reaction time were evaluated using a comprehensive neuropsychological test battery.
Main Results:
- Patients with IIH demonstrated significant cognitive deficits compared to controls in four of six assessed domains (p≤0.02).
- The most pronounced deficits were observed in reaction time and processing speed.
- Cognitive dysfunction persisted at the 3-month follow-up despite improvements in ICP and headache.
Conclusions:
- This study provides evidence that IIH is associated with cognitive dysfunction, which may contribute to functional disability.
- The findings suggest that a multidisciplinary treatment approach, potentially including neuropsychological rehabilitation, could be beneficial for patients with IIH.
Related Concept Videos
Increased Intracranial Pressure l: Introduction
Increased Intracranial Pressure ll: Pathophysiology
Cerebral Edema ll: Pathophysiology
Cerebral Edema l: Introduction
Hypertension III: Clinical Manifestations and Diagnostic Studies
Hemorrhagic Stroke l: Introduction

