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Memory, Imprinting, and the BrainAn Inquiry into Mechanisms$
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Gabriel Horn

Print publication date: 1985

Print ISBN-13: 9780198521563

Published to Oxford Scholarship Online: January 2008

DOI: 10.1093/acprof:oso/9780198521563.001.0001

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Physiological and morphological consequences of training

Physiological and morphological consequences of training

(p.201) 10 Physiological and morphological consequences of training
Memory, Imprinting, and the Brain

Gabriel Horn

Oxford University Press

This chapter examines whether there are morphological and physiological changes in the IMHV associated with imprinting. When chicks were trained by exposure to a rotating red box, changes were detected in neuronal activity in the IMHV. Changes in the structure of synapses in the IMHV were studied in chicks trained by exposing them to a red box or to a flashing horizontal bar rotating upwards. Synaptic structures were modified by training regardless of the stimuli used. In both cases, training was associated with increased length of the post-synaptic density of synapses on dendritic spines. Synapses in the left IMHV were affected; no significant changes were observed in the right IMHV.

Keywords:   IMHV, imprinting process, morphological change, physiological change

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