Impact of Cognitive Fatigue on Reported Post-concussive Complaints in a Sample of Veterans with Post...

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" Impact of Cognitive Fatigue on Reported Post-concussive Complaints in a Sample of Veterans with Post-traumatic Stress Disorder "
Naylon, Kara Ji, Peter

Document Type	:	Latin Dissertation
Language of Document	:	English
Record Number	:	1105306
Doc. No	:	TLpq2306288605
Main Entry	:	Ji, Peter
	:	Naylon, Kara
Title & Author	:	Impact of Cognitive Fatigue on Reported Post-concussive Complaints in a Sample of Veterans with Post-traumatic Stress Disorder\ Naylon, KaraJi, Peter
College	:	Adler University
Date	:	2019
student score	:	2019
Degree	:	Psy.D.
Page No	:	44
Abstract	:	Recent reports on military personnel returning from Iraq and Afghanistan raised concerns about persistent post-concussive symptoms in veterans although the etiology is not fully understood. Diagnostic criteria for Post-Concussional Disorder (PCD) include subjective post-concussive symptoms that persist longer than three months and objective evidence of cognitive impairment with an onset after the injury. The relationship between these subjective and objective symptoms and their associations with other post-concussive symptoms remains unclear. Hierarchical regression analysis showed that objective measures of cognitive fatigue were not significantly associated with subjective complaints of physiological post-concussive symptoms after controlling for estimated premorbid IQ and for other forms of cognitive impairment. A planned bivariate analysis showed a significant inverse association between cognitive fatigue and education. Exploratory bivariate analyses showed that subjective complaints of physiological post-concussive symptoms were associated with sex (higher in females) and with lower estimates of premorbid IQ. An exploratory hierarchical regression analysis showed that a significant portion of the variance in endorsement of physiological post-concussive complaints was accounted for by factors predating head injury and that factors believed to be related to head injury (acquired cognitive impairment, cognitive fatigue) did not account for any additional variance. The findings from this study highlight the importance of taking into account premorbid factors when examining persistent post-concussive complaints and PCD.
Subject	:	Cognitive psychology
	:	Military studies
	:	Neurosciences