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Coles, Michael G.H. De Jong, Ritske 2011-05-07T12:12:20Z 2011-05-07T12:12:20Z 10000-01-01 1991 A dual-bottleneck model for parallel performance of reaction-time tasks in the psychological refractory period paradigm was developed. The first, preparation-based bottleneck prevents perceptual and decisional processes in the second task from operating in parallel with the first task when these processes require specific and explicit preparation. The second bottleneck prevents two independent responses from being initiated and executed in arbitrarily close succession, with the effective strength of this bottleneck depending on response similarity. The response-initiation bottleneck was manipulated in a series of experiments to demonstrate that this bottleneck is responsible for many of the underadditive interactions in overlapping-task performance that have previously been held to indicate parallel processing. A new method was developed to assess the extent and nature of parallel processing in overlapping tasks more reliably and in more detail. This method may also provide an important tool in the investigation of the adaptive control of human information processing. Made available in DSpace on 2011-05-07T12:12:20Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9210782.pdf: 4830063 bytes, checksum: 50cd9f385e685325bb442b8855756b3e (MD5) Previous issue date: 1991 Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:38:04Z Item is restricted indefinitely. Restriction data tranferred 2014-07-01T11:15:47-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission ETDs are only available to UIUC Users without author permission U of I Only AAI9210782 (UMI)AAI9210782 http://hdl.handle.net/2142/19589 eng Copyright 1991 De Jong, Ritske Psychology, Experimental Parallel processing in overlapping tasks: A model and a method text Psychology Psychology University of Illinois at Urbana-Champaign Dissertation Ph.D.