Visual stem completion priming within and across modalities: a PET study
نویسندگان
چکیده
منابع مشابه
Visual word stem completion priming within and across modalities: a PET study.
Using positron emission tomography, we studied changes in the regional cerebral blood flow (rCBF) associated with cross modality (auditory to visual) and within modality visual priming in a word stem completion task. Compared to baseline completion performance and to within modality visual priming, cross modality priming was associated with increased rCBF in prefrontal cortex and decreased rCBF...
متن کاملAuditory priming within and across modalities: evidence from positron emission tomography.
Previous neuroimaging studies of perceptual priming have reported priming-related decreases in the extrastriate cortex. However, because these experiments have used visual stimuli, it is unclear whether the observed decreases are associated specifically with some aspect of visual perceptual processing or with more general aspects of priming. We studied within- and cross-modality priming using a...
متن کاملJournal of Cognitive Neuroscience 11:4
Previous neuroimaging studies of perceptual priming have reported priming-related decreases in the extrastriate cortex. However, because these experiments have used visual stimuli, it is unclear whether the observed decreases are associated speciacally with some aspect of visual perceptual processing or with more general aspects of priming. We studied withinand cross-modality priming using an a...
متن کاملPriming within and across modalities: exploring the nature of rCBF increases and decreases.
Neuroimaging studies suggest that within-modality priming is associated with reduced regional cerebral blood flow (rCBF) in the extrastriate area, whereas cross-modality priming is associated with increased rCBF in prefrontal cortex. To characterize the nature of rCBF changes in within- and cross-modality priming, we conducted two neuroimaging experiments using positron emission tomography (PET...
متن کاملFunctional anatomical studies of explicit and implicit memory retrieval tasks.
Across three experiments, PET scans were obtained while subjects performed different word-stem completion and FIXATION control tasks designed to study the functional anatomy of memory retrieval. During each of three different word-stem completion scans, word-stem cues were visually presented in uppercase letters. The RECALL task required explicit retrieval of study words presented prior to the ...
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