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

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Executive functions deficit in mild cognitive impairment.

Latchezar Traykov¹, Nadine Raoux, Florence Latour

¹Hôpital Henri Mondor, Department of Neurology, University Paris XII, Créteil, France. traykov_l@yahoo.fr

Cognitive and Behavioral Neurology : Official Journal of the Society for Behavioral and Cognitive Neurology

|December 20, 2007

Summary

Patients with mild cognitive impairment (MCI) show deficits not only in memory but also in executive functions like response inhibition and cognitive flexibility. Comprehensive cognitive assessment is crucial for identifying MCI.

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Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach

Published on: February 14, 2014

Area of Science:

Neuroscience
Cognitive Psychology
Gerontology

Background:

Mild cognitive impairment (MCI) represents a transitional stage between normal aging and dementia.
Amnestic MCI is primarily defined by episodic memory impairment, with potential subtle executive function deficits.

Purpose of the Study:

To determine if amnestic MCI patients exhibit impairments in attention and executive functions.
To ascertain if all executive control subcomponents are equally affected in MCI.

Main Methods:

A study involving 20 MCI patients and 20 healthy controls.
Utilized tests assessing episodic memory, attention, executive functions, language, and praxis.

Main Results:

MCI patients scored significantly lower on all Free and Cued Selective Reminding Test measures compared to controls.
MCI patients demonstrated more perseverations on the Modified Card Sorting Test and poorer performance on the Stroop Test.

Conclusions:

MCI patients exhibit impairments in episodic memory, response inhibition, switching, and cognitive flexibility.
Executive function deficits are present in MCI, suggesting a need for detailed cognitive assessment beyond memory evaluation.