Functional role of entorhinal cortex in working memory processing

QC 20100525 QC 20111214
Our learning and memory system has the challenge to work in a world where items to learn are dispersed in space and time. From the information extracted by the perceptual systems, the learning system must select and combine information. Both these operations may require a temporary storage where significance and correlations could be assessed. This work builds on the common hypothesis that hippocampus and subicular, entorhinal and parahippocampal/postrhinal areas are essential for the above-mentioned functions. We bring up two examples of models: the first one is modeling of in vivo and in vitro data from entorhinal cortex layer 11 of delayed match-to-sample working memory experiments, the second one studying mechanisms in theta rhythmicity in EC. In both cases, we discuss how cationic currents might be involved and relate their kinetics and pharmacology to behavioral and cellular experimental results.

MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper Neurovetenskaper hsv//swe
MEDICAL AND HEALTH SCIENCES Basic Medicine Neurosciences hsv//eng
NATURVETENSKAP Data- och informationsvetenskap Bioinformatik hsv//swe
NATURAL SCIENCES Computer and Information Sciences Bioinformatics hsv//eng
working memory
delay match-to-sample
theta oscillations
biophysical modeling
layer-ii neurons
visual recognition memory
hippocampal theta-rhythm
subthreshold oscillations
pyramidal neuron
cation current
nmda channels
delayed match
h-current
model

About the subject

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Basic Medicine; and Neurosciences

NATURAL SCIENCES: NATURAL SCIENCES; and Computer and Inf ...; and Bioinformatics

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