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What type of inhibition underpins performance on Luria's Fist-Edge-Palm task?

Varkovetski, M., Pihkanen, K., Shanker, S., Parris, B. A. and Gurr, B., 2020. What type of inhibition underpins performance on Luria's Fist-Edge-Palm task? Journal of Clinical and Experimental Neuropsychology, 42 (6), 544- 555.

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DOI: 10.1080/13803395.2020.1776846

Abstract

OBJECTIVE: The Fist-Edge-Palm task is a motor sequencing task believed to be sensitive to frontal lobe impairment. The present study aimed to investigate the inhibitory processes underlying successful execution of this task. METHOD: Seventy-two healthy participants were asked to perform the Fist-Edge-Palm task paced at 120 bpms, 60 bpms and self-paced. They also completed assessments sensitive to recently dissociated forms of inhibition (the Hayling Sentence Completion Test and the Stroop Color-Word Test) that have recently been shown to be differentially lateralized (the right and left Prefrontal Cortex, respectively), and Cattell's Culture Fair Intelligence test. RESULTS: Analysis revealed that performance on the Hayling Sentence Completion Test predicted the amount of crude errors and the overall score on the Fist-Edge-Palm task, and that pacing condition had no effect on this outcome. Neither the Stroop Color-Word Test nor Cattell's Culture Fair Intelligence Test predicted performance on the Fist-Edge-Palm task. CONCLUSIONS: Consistent with some previous neuroimaging findings, the present findings suggest that Fist-Edge-Palm task performance relies on right lateralized inhibitory processes.

Item Type:Article
ISSN:1380-3395
Uncontrolled Keywords:Fist-Edge-Palm ; Luria test ; executive function ; motor sequencing ; prefrontal cortex
Group:Faculty of Science & Technology
ID Code:34225
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:29 Jun 2020 12:57
Last Modified:12 Oct 2020 13:54

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