Abstract:
:There is recent evidence that cryoanesthesia, commonly used during neonatal hormone manipulations (e.g., gonadectomy), has deleterious effects on the morphology of the splenium of the corpus callosum and primary visual cortex in adult rats of both sexes. (Nuñez and Juraska, 1998; Nuñez, Kim, and Juraska, 1998). In the present study, the effect of neonatal cryoanesthesia on the morphology of the hippocampus and dentate gyrus and on performance in the Morris water maze was investigated. Cold exposure for as brief as 30 min (5 degrees C) on Postnatal Day 1 resulted in a significant decrease in the volume of the hippocampus and in brain weight of adults. Performance on the water maze was also impaired in cold-exposed animals. This study indicates that not only morphology but also behavioral performance in adulthood are affected by neonatal cryoanesthesia.
journal_name
Horm Behavjournal_title
Hormones and behaviorauthors
Nuñez JL,Koss WA,Juraska JMdoi
10.1006/hbeh.2000.1572keywords:
subject
Has Abstractpub_date
2000-05-01 00:00:00pages
169-78issue
3eissn
0018-506Xissn
1095-6867pii
S0018-506X(00)91572-1journal_volume
37pub_type
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