publication . Other literature type . Article . 2016

The Dynamic Multisensory Engram: Neural Circuitry Underlying Crossmodal Object Recognition in Rats Changes with the Nature of Object Experience

D. L. Jacklin; J. M. Cloke; A. Potvin; I. Garrett; B. D. Winters;
Open Access English
  • Published: 27 Jan 2016
  • Publisher: Society for Neuroscience
Abstract
Rats, humans, and monkeys demonstrate robust crossmodal object recognition (CMOR), identifying objects across sensory modalities. We have shown that rats9 performance of a spontaneous tactile-to-visual CMOR task requires functional integration of perirhinal (PRh) and posterior parietal (PPC) cortices, which seemingly provide visual and tactile object feature processing, respectively. However, research with primates has suggested that PRh is sufficient for multisensory object representation. We tested this hypothesis in rats using a modification of the CMOR task in which multimodal preexposure to the to-be-remembered objects significantly facilitates performance....
Subjects
Medical Subject Headings: genetic structures
free text keywords: Articles, Engram, Information processing, Cognitive psychology, Crossmodal, Proto-Oncogene Proteins c-fos, Cognitive neuroscience of visual object recognition, Anatomy, Biological neural network, Neuroscience, Brain circuitry, Stimulus modality, Psychology
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