Development of between-trial response strategy adjustments in a continuous action control task: A cross-sectional...

Area of Science:

• Cognitive Psychology
• Neuroscience
• Developmental Psychology

Background:

• Executive control is crucial for adapting response strategies in changing environments.
• Continuous action control tasks require dynamic adjustments to stimuli and goals.

Purpose of the Study:

• To investigate how children and young adults adjust response strategies in a continuous action control task.
• To examine the influence of previous trial properties on current performance and strategy adjustments.
• To compare age-related differences in performance and strategy adjustment mechanisms.

Main Methods:

• Participants (4-11 years) and young adults (18-21 years) performed a continuous action control task with occasional target location changes.
• Performance was analyzed based on trial-by-trial effects, specifically examining 'change' and 'no-change' trials.
• The impact of previous trial stimuli and change signals on current performance was assessed.

Main Results:

• Performance on 'no-change' trials was impaired, while performance on 'change' trials was improved following a previous 'change signal' trial.
• These between-trial effects on 'no-change' trials were independent of previous stimulus repetition.
• Significant age-related differences were found in overall response latencies, but not in the magnitude of response strategy adjustments.

Conclusions:

• Findings support the hypothesis of trial-by-trial adjustments in response strategies.
• Response strategy adjustment mechanisms appear to mature earlier than other executive action control mechanisms.
• This suggests a distinct developmental trajectory for adaptive strategy modulation compared to general executive functions.