Assessment of subcomponents of executive functioning in ecologically valid settings: the goal processing scale

To validate a new functional assessment tool, the Goal Processing Scale (GPS), and to apply it for testing for sources of dysfunction in patients with acquired brain injury. Determining which component processes of executive functioning underlie poor performance in complex, low-structure settings wo...

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Bibliographic Details
Published in:	The journal of head trauma rehabilitation Vol. 29; no. 2; pp. 136 - 146
Main Authors:	Novakovic-Agopian, Tatjana, Chen, Anthony J-W, Rome, Scott, Rossi, Annemarie, Abrams, Gary, DʼEsposito, Mark, Turner, Gary, McKim, Ryan, Muir, Jim, Hills, Nancy, Kennedy, Cathy, Garfinkle, John, Murphy, Michelle, Binder, Deborah, Castelli, Holli
Format:	Journal Article
Language:	English
Published:	United States 01-03-2014
Subjects:	Adaptation, Psychological Adolescent Adult Brain Injuries - diagnosis Brain Injuries - rehabilitation Child Cohort Studies Executive Function Female Glasgow Coma Scale Goals Humans Injury Severity Score Male Memory, Short-Term - physiology Neuropsychological Tests Observer Variation Prospective Studies Psychometrics Sickness Impact Profile Task Performance and Analysis Treatment Outcome Young Adult
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Summary:	To validate a new functional assessment tool, the Goal Processing Scale (GPS), and to apply it for testing for sources of dysfunction in patients with acquired brain injury. Determining which component processes of executive functioning underlie poor performance in complex, low-structure settings would be valuable for the assessment of deficits and for evaluating the effectiveness of treatments. Nineteen individuals with chronic acquired brain injury (mean age = 41.4 years; chronicity: 6 months to 39 years). Two functional assessment tasks: (1) GPS, which evaluates functional performance in the context of achieving a goal in a "real-world" setting, with rating scales measuring overall performance and 8 subdomains of executive functioning; (2) Multiple Errands Test, an unstructured assessment of ability to adhere to rules and complete multiple "real-world" tasks in a short time; and (3) a neuropsychological battery. Intraclass correlation coefficients for 2 independent raters ranged from 0.75 to 0.98 for the GPS overall composite score and the subdomain scores. Performance on GPS overall and several subdomain scores correlated with performance on the Multiple Errands Test. Working memory and learning/memory neuropsychological measures predicted functional performance as measured using the GPS. The GPS shows high interrater reliability, suggesting convergent validity with an established functional performance measure, and produces useful information regarding strengths and weaknesses in different subdomains of executive functioning. Working memory and learning/memory appear to be key determinants of goal-directed functioning for these individuals with brain injury.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-4 content type line 23 ObjectType-Undefined-2 ObjectType-Undefined-3 ObjectType-Feature-2
ISSN:	0885-9701 1550-509X
DOI:	10.1097/HTR.0b013e3182691b15