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ERIC Number: EJ799387
Record Type: Journal
Publication Date: 2008-Jun
Pages: 16
Abstractor: As Provided
Reference Count: 56
ISSN: ISSN-0269-9206
Response Priming Patterns Differ with Interstimulus Interval Duration
Spencer, Kristie A.; Wiley, Erin
Clinical Linguistics & Phonetics, v22 n6 p475-490 Jun 2008
Priming paradigms make it possible to study the nature of response preparation before the onset of movement. One way to examine this process is through manipulation of the interstimulus interval (ISI). The timing of the prime and target presentation has been shown to have distinct effects on reaction time patterns, in both healthy and neurologically impaired individuals, during cognitive task switching paradigms and semantic priming studies. What is unclear, however, are the effects of ISI durations on response priming paradigms. In the present study, ISIs of five durations were manipulated within a speech response priming paradigm to investigate reaction time patterns in 25 healthy adults. Results suggested that ISIs have a significant influence on the magnitude of the priming effect. Brief ISIs, with a putatively high sensitivity to reprogramming, resulted in robust priming effects. Long ISIs, thought to be influenced by attentional factors, resulted in priming effects of lesser magnitude. (Stimuli and distribution of prime-target matches and mismatches across sets are appended. Contains 2 figures and 1 table.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: National Inst. on Deafness and Other Communications Disorders, Bethesda, MD.; American Speech-Language-Hearing Association, Rockville, MD.
Authoring Institution: N/A