Automatic guidance of visual attention from verbal working memory.

Area of Science:

• Cognitive Psychology
• Neuroscience
• Visual Perception

Background:

• Visual attention is known to be guided by the contents of working memory (WM).
• The precise nature of the representation mediating this guidance remains an area of investigation.

Purpose of the Study:

• To investigate how different types of primes (verbal, visual) and their encoding into working memory influence visual attention.
• To determine whether verbalization or mere attention to primes affects the guidance of visual search.

Main Methods:

• Participants performed visual search tasks after being presented with verbal or visual primes under different encoding conditions (holding in memory, verbalizing, attending).
• Search performance was measured by comparing target search times when distractors matched the prime versus a neutral baseline.

Main Results:

• Search was impaired when distractors matched the prime, indicating attentional capture by WM contents.
• Verbal primes and verbalization of visual primes effectively guided attention, suggesting automatic WM encoding.
• Mere attention to primes without verbalization or WM encoding did not guide attention.

Conclusions:

• Both verbal and visual working memory representations can guide visual attention.
• Verbalization plays a crucial role in the automatic encoding of information into working memory, thereby influencing attentional guidance.