نتایج جستجو برای: fundamental period

تعداد نتایج: 687028  

Journal: :Neuropsychologia 2007
Benoit Brisson Pierre Jolicoeur

We investigated whether concurrent processing of a tone (T1) interferes with early sensory-perceptual processing of a visual target (T2) in variants of the psychological refractory period paradigm using the event-related potential (ERP) method and 70-channel electroencephalographic recordings. T1, which required a speeded response, was presented in all trials. In half of the trials, T1 was foll...

Journal: :Journal of experimental psychology. Human perception and performance 2001
E Ruthruff J C Johnston M Van Selst

M. A. Van Selst, E. Ruthruff, and J. C. Johnston (1999) found that practice dramatically reduced dual-task interference in a Psychological Refractory Period (PRP) paradigm with 1 vocal response and 1 manual response. Results from 3 further experiments using the highly trained participants of M. A. Van Selst et al. (1999) support 4 main conclusions: (a) A processing bottleneck exists even after ...

Journal: :Psychology and aging 2000
J M Glass E H Schumacher E J Lauber E L Zurbriggen L Gmeindl D E Kieras D E Meyer

The apparently deleterious effect of aging on dual-task performance is well established, but there is little agreement about the source of this effect. Studies of the psychological refractory period (PRP) indicate that young adults can flexibly control dual-task performance through task-coordination strategies. Thus, the performance of older adults might differ from young adults because older a...

Journal: :PLoS Biology 2006
Mariano Sigman Stanislas Dehaene

Why is the human brain fundamentally limited when attempting to execute two tasks at the same time or in close succession? Two classical paradigms, psychological refractory period (PRP) and task switching, have independently approached this issue, making significant advances in our understanding of the architecture of cognition. Yet, there is an apparent contradiction between the conclusions de...

Journal: :Psychological research 2006
Eric Ruthruff Eliot Hazeltine Roger W Remington

Practice can dramatically reduce dual-task interference, but typically does not eliminate interference entirely. Residual interference after practice is especially large with certain non-preferred modality pairings (e.g., auditory-manual and visual-vocal). Does this residual interference imply the existence of a persistent central-processing bottleneck? To address this question, we transferred ...

Journal: :Memory & cognition 2008
François Maquestiaux Maude Laguë-Beauvais Eric Ruthruff Louis Bherer

In this research, the controversial issue of whether the central bottleneck can be bypassed through task automatization was investigated. To examine this issue, participants received six single-task practice sessions with an auditory-vocal task (low vs. high pitch). We then assessed dual-task performance using the analytically tractable psychological refractory period (PRP) paradigm, in which t...

2015
Todd C. Headrick Mohan Dev Pant Mohan D. Pant

Journal: :Journal of experimental psychology. Human perception and performance 2003
Roy Luria Nachshon Meiran

The authors examined the role of online order control in the psychological refractory period (PRP) paradigm. In the first 2 experiments, participants switched between color-letter and letter-color orders so that subtask order was isolated as the only element being switched. The results indicated that order switching impaired the 2 PRP responses and modulated the PRP effect. Importantly, these e...

Journal: :Journal of experimental psychology 1973
A G Greenwald H G Shulman

Journal: :Journal of experimental psychology. Human perception and performance 2005
Michael Tombu Pierre Jolicoeur

The divergent predictions of 2 models of dual-task performance are investigated. The central bottleneck and central capacity sharing models argue that a central stage of information processing is capacity limited, whereas stages before and after are capacity free. The models disagree about the nature of this central capacity limitation. The central bottleneck model claims that central processin...

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