Basal forebrain lesions and memory: alterations in neurotensin, not acetylcholine, may cause amnesia.
Basal forebrain lesions and memory: alterations in neurotensin, not acetylcholine, may cause amnesia.
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基底前脑病变和记忆:神经降压素的改变,而不是乙酰胆碱的改变,可能会导致健忘症。
DOI:
10.1037//0735-7044.103.4.765
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发表时间:
1989
影响因子:
1.9
通讯作者:
Olton,DS
中科院分区:
文献类型:
--
作者:
Wenk,GL;Markowska,AL;Olton,DS
Behavioral impairments produced by lesions of the nucleus basalis magnocellularis (NBM) are usually attributed to the loss of cholinergic cells. A comparison between the effects of 2 different neurotoxins, ibotenic (IBO) and quisqualic (QUIS) acid, reveals that this interpretation is inconsistent with the data. Rats were given injections of either IBO or QUIS into the NBM and tested on an alternation task in a T-maze. At the start of behavioral testing, both IBO and QUIS rats had impaired choice accuracy. At the end of behavioral testing, however, IBO rats, but not QUIS rats, were more impaired than controls, and IBO rats were more impaired than QUIS rats. IBO decreased choline acetyltransferase (ChAT) activity and [–3H] neurotensin binding in the neocortex. QUIS decreased ChAT activity but did not change [–3H] neurotensin binding. The cholinergic system may not be the critical component responsible for behavioral impairments following NBM lesions.(PsycINFO Database Record (c) 2016 APA, all rights reserved)
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