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Assessment of subcomponents of executive functioning in ecologically valid settings: the goal processing scale
Tatjana Novakovic-Agopian1, Anthony J-W Chen, Scott Rome
1Veteran's Administration Medical Center, San Francisco (Drs Novakovic-Agopian, Chen, Abrams, McKim, and Murphy and Mss Rossi and Binder); Veteran's Administration Northern California Health Care System, Martinez (Drs Novakovic-Agopian, Chen, D'Esposito, and Muir and Ms Binder); California Pacific Regional Rehabilitation Center, San Francisco (Drs Novakovic-Agopian and Rome; Mss Rossi, Kennedy, and Castelli; and Mr Garfinkle), University of California, San Francisco (Drs Novakovic-Agopian, Chen, Abrams, and Hills); University of California, Berkeley (Drs Chen and D'Esposito), California; and Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada (Dr Turner).
The Goal Processing Scale (GPS) reliably assesses executive functioning in brain injury patients. Working memory and learning/memory are key to goal-directed function.
Area of Science:
- Neuroscience
- Rehabilitation Medicine
- Cognitive Psychology
Background:
- Acquired brain injury (ABI) often results in executive functioning deficits.
- Assessing these deficits in real-world settings is crucial for effective treatment and rehabilitation.
Purpose of the Study:
- To validate the Goal Processing Scale (GPS) as a new functional assessment tool.
- To identify specific executive functioning components underlying performance in complex tasks for ABI patients.
Main Methods:
- Nineteen individuals with chronic ABI participated.
- The Goal Processing Scale (GPS) and Multiple Errands Test were administered.
- A neuropsychological battery assessed cognitive functions.
Main Results:
- The GPS demonstrated high interrater reliability (0.75-0.98).
- GPS performance correlated with the Multiple Errands Test, showing convergent validity.
- Working memory and learning/memory predicted functional performance on the GPS.
Conclusions:
- The GPS is a reliable tool for assessing executive functioning subdomains in ABI.
- Working memory and learning/memory are critical for goal-directed functioning post-brain injury.
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