Assessment of Subcomponents of Executive Functioning in Ecologically Valid Settings: The Goal Processing Scale

作者：Novakovic Agopian Tatjana^*; Chen Anthony J W; Rome Scott; Rossi Annemarie; Abrams Gary; D'Esposito Mark; Turner Gary; McKim Ryan; Muir Jim; Hills Nancy; Kennedy Cathy; Garfinkle John; Murphy Michelle; Binder Deborah; Castelli Holli

来源：Journal of Head Trauma Rehabilitation, 2014, 29(2): 136-146.

DOI：10.1097/HTR.0b013e3182691b15

• brain injury rehabilitation
• ecologically valid assessment
• executive functions
• functional performance

Objectives: 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.
Participants: Nineteen individuals with chronic acquired brain injury (mean age = 41.4 years; chronicity: 6 months to 39 years).
Main Measures: 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.
Results: 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.
Discussion: 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.

• 出版日期2014-4