Abstract:
:A strong assumption shared by major theoretical approaches to cognition posits that the human cognitive system has a limited capacity for information processing. Evidence supporting this claim comes from the dual-task paradigm in which one cognitive system has to process two tasks simultaneously. In this study, we examined whether bottleneck-like processing can also be elicited when a dual task is shared between two individuals. Under dual-task instructions giving priority to Task 1, we found evidence of a psychological refractory period effect in dual-task and joint-task conditions. Under equal priority instructions, we replicated the finding of a psychological refractory period effect in the dual-task, but not in the joint-task condition. These findings are in line with the assumption that a social psychological refractory period effect can be induced across two individuals. We suggest that this effect is due to task-specific monitoring requirements. We discuss our findings with respect to both dual-task and joint action theories.
journal_name
Exp Brain Resjournal_title
Experimental brain researchauthors
Liepelt R,Prinz Wdoi
10.1007/s00221-011-2703-2subject
Has Abstractpub_date
2011-06-01 00:00:00pages
387-96issue
3-4eissn
0014-4819issn
1432-1106journal_volume
211pub_type
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