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Titolo:
LONG-LASTING STRUCTURAL-CHANGES IN CA3 HIPPOCAMPAL AND LAYER-V MOTOR CORTICAL PYRAMIDAL NEURONS ASSOCIATED WITH SELF-STIMULATION REWARDING EXPERIENCE - A QUANTITATIVE GOLGI-STUDY
Autore:
RAO BSS; RAJU TR; METI BL;
Indirizzi:
NATL INST MENTAL HLTH & NEUROSCI,DEPT NEUROPHYSIOL,HOSUR RD,PB 2900 BANGALORE 560029 KARNATAKA INDIA NATL INST MENTAL HLTH & NEUROSCI,DEPT NEUROPHYSIOL BANGALORE 560029 KARNATAKA INDIA
Titolo Testata:
Brain research bulletin
fascicolo: 1, volume: 47, anno: 1998,
pagine: 95 - 101
SICI:
0361-9230(1998)47:1<95:LSICHA>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
OCCIPITAL CORTEX; FORELIMB CORTEX; VISUAL-CORTEX; ADULT-RATS; PLASTICITY; BRAIN; ENVIRONMENTS; DENDRITES; REHABILITATION; ORGANIZATION;
Keywords:
SELF-STIMULATION REWARD; HIPPOCAMPUS; MOTOR CORTEX; NEURONAL PLASTICITY; DENDRITIC MORPHOLOGY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
55
Recensione:
Indirizzi per estratti:
Citazione:
B.S.S. Rao et al., "LONG-LASTING STRUCTURAL-CHANGES IN CA3 HIPPOCAMPAL AND LAYER-V MOTOR CORTICAL PYRAMIDAL NEURONS ASSOCIATED WITH SELF-STIMULATION REWARDING EXPERIENCE - A QUANTITATIVE GOLGI-STUDY", Brain research bulletin, 47(1), 1998, pp. 95-101

Abstract

Self-stimulation (SS) rewarding experience induced structural changesin CA3 hippocampal and layer V motor cortical pyramidal neurons in adult male Wister rats has been demonstrated. In the present study, whether these structural changes are transient or of a permanent nature was evaluated. Self-stimulation experience was provided for 1 h daily over a period of 10 days through bilaterally implanted bipolar electrodes in the lateral hypothalamus and the substantia nigra-ventral tegmental area. Following 10 days of SS experience, the rats were sacrificed after an interval of 30 and 60 days for the quantitative analysis of the dendritic morphology in Golgi stained CA3 hippocampal and layer V motor cortical pyramidal neurons. The results revealed a significant increase in the dendritic branching points and intersections in apical and basal dendrites in both types of neurons in 30 days post-SS group compared to sham control. The total number of apical and basal dendrites were significantly increased in both 30 and 60 days post-SS groups of rats. This study suggests that SS experience induced structural changes are sustainable, even in the absence of rewarding experience. (C) 1998 Elsevier Science Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/07/20 alle ore 21:27:52