Evolving Models of Pavlovian Conditioning: Cerebellar Cortical Dynamics in Awake Behaving Mice
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
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Yn: Cell Reports, Cyfrol 13, Rhif 9, 01.12.2015, t. 1977-88.
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
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TY - JOUR
T1 - Evolving Models of Pavlovian Conditioning
T2 - Cerebellar Cortical Dynamics in Awake Behaving Mice
AU - ten Brinke, Michiel M
AU - Boele, Henk-Jan
AU - Spanke, Jochen K
AU - Potters, Jan-Willem
AU - Kornysheva, Katja
AU - Wulff, Peer
AU - IJpelaar, Anna C H G
AU - Koekkoek, Sebastiaan K E
AU - De Zeeuw, Chris I
N1 - Copyright © 2015 The Authors. Published by Elsevier Inc. All rights reserved.
PY - 2015/12/1
Y1 - 2015/12/1
N2 - Three decades of electrophysiological research on cerebellar cortical activity underlying Pavlovian conditioning have expanded our understanding of motor learning in the brain. Purkinje cell simple spike suppression is considered to be crucial in the expression of conditional blink responses (CRs). However, trial-by-trial quantification of this link in awake behaving animals is lacking, and current hypotheses regarding the underlying plasticity mechanisms have diverged from the classical parallel fiber one to the Purkinje cell synapse LTD hypothesis. Here, we establish that acquired simple spike suppression, acquired conditioned stimulus (CS)-related complex spike responses, and molecular layer interneuron (MLI) activity predict the expression of CRs on a trial-by-trial basis using awake behaving mice. Additionally, we show that two independent transgenic mouse mutants with impaired MLI function exhibit motor learning deficits. Our findings suggest multiple cerebellar cortical plasticity mechanisms underlying simple spike suppression, and they implicate the broader involvement of the olivocerebellar module within the interstimulus interval.
AB - Three decades of electrophysiological research on cerebellar cortical activity underlying Pavlovian conditioning have expanded our understanding of motor learning in the brain. Purkinje cell simple spike suppression is considered to be crucial in the expression of conditional blink responses (CRs). However, trial-by-trial quantification of this link in awake behaving animals is lacking, and current hypotheses regarding the underlying plasticity mechanisms have diverged from the classical parallel fiber one to the Purkinje cell synapse LTD hypothesis. Here, we establish that acquired simple spike suppression, acquired conditioned stimulus (CS)-related complex spike responses, and molecular layer interneuron (MLI) activity predict the expression of CRs on a trial-by-trial basis using awake behaving mice. Additionally, we show that two independent transgenic mouse mutants with impaired MLI function exhibit motor learning deficits. Our findings suggest multiple cerebellar cortical plasticity mechanisms underlying simple spike suppression, and they implicate the broader involvement of the olivocerebellar module within the interstimulus interval.
KW - Animals
KW - Behavior, Animal
KW - Blinking
KW - Cerebellar Cortex
KW - Electrophysiological Phenomena
KW - Male
KW - Mice
KW - Mice, Inbred C57BL
KW - Nerve Tissue Proteins
KW - Purkinje Cells
KW - Journal Article
KW - Research Support, Non-U.S. Gov't
U2 - 10.1016/j.celrep.2015.10.057
DO - 10.1016/j.celrep.2015.10.057
M3 - Article
C2 - 26655909
VL - 13
SP - 1977
EP - 1988
JO - Cell Reports
JF - Cell Reports
SN - 2211-1247
IS - 9
ER -