Automatic Priming of Semantically Related Words Reduces Activity in the Fusiform Gyrus
Journal of Cognitive Neuroscience
Evidence for Neural Effects of Repetition that Directly Correlate with Behavioral Priming
Journal of Cognitive Neuroscience
Left Inferior Prefrontal Cortex Activity Reflects Inhibitory Rather Than Facilitatory Priming
Journal of Cognitive Neuroscience
Common and Contrasting Areas of Activation for Abstract and Concrete Concepts: An H215O PET Study
Journal of Cognitive Neuroscience
Neural Correlates of Auditory Repetition Priming: Reduced fMRI Activation in the Auditory Cortex
Journal of Cognitive Neuroscience
Object Activation in Semantic Memory from Visual Multimodal Feature Input
Journal of Cognitive Neuroscience
Task-Dependent Modulation of Regions in the Left Inferior Frontal Cortex during Semantic Processing
Journal of Cognitive Neuroscience
Journal of Cognitive Neuroscience
Interactions Between Forms of Memory: When Priming Hinders New Episodic Learning
Journal of Cognitive Neuroscience
Journal of Cognitive Neuroscience
Imaging Cognition II: An Empirical Review of 275 PET and fMRI Studies
Journal of Cognitive Neuroscience
Journal of Cognitive Neuroscience
Neural Response Suppression Predicts Repetition Priming of Spoken Words and Pseudowords
Journal of Cognitive Neuroscience
Journal of Cognitive Neuroscience
Journal of Cognitive Neuroscience
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Functional neuroimaging studies of single-word processing have demonstrated decreased activation in left inferior prefrontal cortex (LIPC) during repeated semantic processing relative to initial semantic processing. This item-specific memory effect occurs under implicit test instructions and represents word-toword semantic repetition priming. The present study examined the stimulus generality of LIPC function by measuring prefrontal cortical activation during repeated relative to initial semantic processing of words (word-to-word semantic repetition priming) and of pictures (picture-to-picture semantic repetition priming). For both words and pictures, LIPC activation decreased with repetition, suggesting that this area subserves semantic analysis of stimuli regardless of perceptual form. Decreased activation was greater in extent for words than for pictures. The LIPC area may act as a semantic executive system that mediates on-line retrieval of long-term conceptual knowledge necessary for guiding task performance.