Attentional demands following perceptual skill training

Area of Science:

• Cognitive Psychology
• Neuroscience
• Visual Perception

Background:

• Practicing simple visual tasks leads to significant performance improvements.
• It is unclear if this improvement confers automaticity or immunity to interference.
• Understanding task interference is crucial for cognitive architecture models.

Purpose of the Study:

• To investigate if practice-induced efficiency in visual tasks leads to automaticity.
• To determine if practiced tasks become immune to interference from concurrent tasks.
• To explore the mechanisms underlying concurrent task performance after training.

Main Methods:

• Participants practiced simple visual tasks, including orientation feature detection and central-letter identification.
• Interference was assessed by introducing concurrent tasks.
• Training was conducted both separately and concurrently for the tasks.

Main Results:

• Practice significantly sped up orientation feature detection but did not eliminate interference from concurrent central-letter identification.
• Despite interference, observers could perform tasks concurrently after separate training, suggesting minimal reliance on intertask coordination.
• Automatic processing was not achieved, as increased difficulty in the high-priority task still caused interference in both tasks.

Conclusions:

• Post-training concurrent performance is primarily an emergent property of speeded initial processes.
• Automaticity and complete immunity to interference were not achieved through practice alone.
• Central executive management and bottleneck elimination do not fully explain the observed performance improvements.