The effects of choice on self-control.

Area of Science:

• Neuroscience
• Behavioral Psychology
• Rehabilitation Science

Background:

• Traumatic brain injury (TBI) can impair executive functions, including self-control and decision-making.
• Adolescents with TBI often face challenges in adhering to rehabilitation programs.
• Understanding behavioral interventions for improving adherence in this population is crucial.

Purpose of the Study:

• To investigate the efficacy of self-control training in enhancing task duration for adolescents with TBI.
• To assess changes in reward preference (immediate vs. delayed) following self-control training.

Main Methods:

• Three adolescents with TBI participated in a physical therapy task with varying reinforcement conditions.
• A choice paradigm was used, offering smaller immediate reinforcers versus larger delayed reinforcers.
• Self-control training involved participants choosing between immediate rewards and progressively increasing delayed rewards, with control over reinforcement delivery (self- vs. experimenter-rolled die).

Main Results:

• Participants exhibited low baseline durations for the physical therapy task.
• Initially, participants preferred smaller, immediate reinforcers.
• Following self-control training, participants shifted preference towards larger, delayed reinforcers, increasing task duration.

Conclusions:

• Self-control training can effectively improve task adherence and delay of gratification in adolescents with TBI.
• Behavioral interventions targeting reward processing may enhance rehabilitation outcomes for individuals with TBI.
• The findings suggest a potential strategy for improving long-term engagement in physical therapy for this population.