Long-term effects of neonatal MK-801 treatment on spatial learning and cortical plasticity in adult rats

RATIONALE AND OBJECTIVES: The long-term effects of neonatal treatment with MK-801 on spatial learning and cortical plasticity were investigated in adult rats. METHODS: Rat pups were injected twice daily with MK-801 (0.1 mg/kg) on postnatal days 7-19, participated in water maze testing between po...

Teljes leírás

Elmentve itt :
Bibliográfiai részletek
Szerzők: Németh Hajnalka
Varga Hedvig
Farkas Tamás
Kis Zsolt
Vécsei László
Horváth Szatmár
Boda Krisztina
Wolff Joachim R.
Toldi József
Dokumentumtípus: Cikk
Megjelent: Springer 2002
Sorozat:PSYCHOPHARMACOLOGY 160 No. 1
doi:10.1007/s00213-001-0957-2

mtmt:105677
Online Access:http://publicatio.bibl.u-szeged.hu/10279
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490 0 |a PSYCHOPHARMACOLOGY  |v 160 No. 1 
520 3 |a RATIONALE AND OBJECTIVES: The long-term effects of neonatal treatment with MK-801 on spatial learning and cortical plasticity were investigated in adult rats. METHODS: Rat pups were injected twice daily with MK-801 (0.1 mg/kg) on postnatal days 7-19, participated in water maze testing between postnatal days 90 and 102, and were then studied electrophysiologically. RESULTS: Treatment with MK-801 in such a low dose resulted in a very slight impairment of performance in the water maze task, but not in the visual cue response. Besides the slight learning impairment, the electrophysiological study revealed a reduction in the capacity for plasticity in the primary motor cortex of the treated animals, which was pronounced in the controls. CONCLUSION: The study demonstrates that even a slight impairment in learning and memory function may be accompanied by a cortical plasticity deficiency that is detectable electrophysiologically. 
700 0 1 |a Varga Hedvig  |e aut 
700 0 1 |a Farkas Tamás  |e aut 
700 0 1 |a Kis Zsolt  |e aut 
700 0 1 |a Vécsei László  |e aut 
700 0 1 |a Horváth Szatmár  |e aut 
700 0 1 |a Boda Krisztina  |e aut 
700 0 1 |a Wolff Joachim R.  |e aut 
700 0 1 |a Toldi József  |e aut 
856 4 0 |u http://publicatio.bibl.u-szeged.hu/10279/1/Nemeth_H._MK_801_u.pdf  |z Dokumentum-elérés