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Precise memory for pure tones is predicted by measures of learning-induced sensory system neurophysiological plasticity at cortical and subcortical levels.

Learn Mem

August 2020

CLEF Laboratory, Department of Psychology, Behavioral and Systems Neuroscience, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, USA.

Despite identical learning experiences, individuals differ in the memory formed of those experiences. Molecular mechanisms that control the neurophysiological bases of long-term memory formation might control how precisely the memory formed reflects the actually perceived experience. Memory formed with sensory specificity determines its utility for selectively cueing subsequent behavior, even in novel situations.

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Plasticity of the adult auditory system based on corticocortical and corticofugal modulations.

Neurosci Biobehav Rev

June 2020

Department of Biology, Washington University, One Brookings Drive, St. Louis, Missouri, 63130, USA. Electronic address:

Suga, N. Plasticity of the adult auditory system based on corticocortical and corticofugal modulations. NEUROSCI.

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Objective: We aimed to examine the serial change of sound-specific auditory cortical activation patterns in age-matched normal hearing (NH) and young single-sided deafness (YSSD) rats to understand the critical period that influences a benefit of a binaural hearing.

Method: Experiments were performed on the age-matched 64 Sprague-Dawley rats; NH group = 45 rats, and YSSD group = 19 rats. NH rats were evaluated the multi-unit neural activities from the age of post-14 days (P14ds) to P73ds by week interval.

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Epigenetic mechanisms are key for regulating long-term memory (LTM) and are known to exert control on memory formation in multiple systems of the adult brain, including the sensory cortex. One epigenetic mechanism is chromatin modification by histone acetylation. Blocking the action of histone de-acetylases (HDACs) that normally negatively regulate LTM by repressing transcription has been shown to enable memory formation.

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Investigating the neural correlates of voice versus speech-sound directed information in pre-school children.

PLoS One

December 2015

Laboratories of Cognitive Neuroscience, Division of Developmental Medicine, Department of Developmental Medicine, Boston Children's Hospital, Boston, Massachusetts, United States of America; Harvard Medical School, Boston, Massachusetts, United States of America; Harvard Graduate School of Education, Cambridge, Massachusetts, United States of America.

Studies in sleeping newborns and infants propose that the superior temporal sulcus is involved in speech processing soon after birth. Speech processing also implicitly requires the analysis of the human voice, which conveys both linguistic and extra-linguistic information. However, due to technical and practical challenges when neuroimaging young children, evidence of neural correlates of speech and/or voice processing in toddlers and young children remains scarce.

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