Activity-dependent plasticity in visual forebrain areas of the zebra finch

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Activity-dependent plasticity in visual forebrain areas of the zebra finch.

It has previously been shown that the activity of some area of the forebrain of birds is dependent on the arousal level of the animal. Other areas do not show this dependency. This paper, on the basis of 2-DG experiments and spine density measurements on Golgi-impregnated tissue, shows that primary telencephalic target areas of the two visual pathways of zebra finch males are not dependent on a...

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Evidence for the involvement of two areas of the zebra finch forebrain in sexual imprinting.

Sexual imprinting in male zebra finches is a two-step process, including an acquisition period early in life and a stabilization process normally occuring during the first courtship attempts of the male. During the acquisition period, a young male learns about its social environment. During stabilization, which can be delayed experimentally until day 100, it develops a preference for the approp...

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Phase specific morphological changes induced by social experience in two forebrain areas of the zebra finch.

We examined the changes of spine density in Golgi preparations of two different areas of the forebrain of the zebra finch, the ANC (Archi-Neostriatum caudale) and MNH (medial Neo-Hyperstriatum) during development, after transferring male birds from isolation to a social condition (exposure to a female for 1 week), and after a second isolation period. MNH and ANC are two of four brain regions wh...

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Arousal enhances [14C]2-deoxyglucose uptake in four forebrain areas of the zebra finch.

The activity pattern of the forebrain of male zebra finches was investigated by the [14C]2-deoxyglucose (2-DG) method in 4 different behavioral situations. Sitting alone in the cage (control); courtship by experienced birds; first courtship of inexperienced birds (100 days of age), and chasing the birds around the cage. The primary sensory areas (ectostriatum, field L) were active above backgro...

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Selectivity for conspecific song in the zebra finch auditory forebrain.

The selectivity of neurons in the zebra finch auditory forebrain for natural sounds was investigated systematically. The principal auditory forebrain area in songbirds consists of the tonotopically organized field L complex, which, by its location in the auditory processing stream, can be compared with the auditory cortex of mammals. We also recorded from a secondary auditory area, cHV. Field L...

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ژورنال

عنوان ژورنال: Behavioural Brain Research

سال: 1996

ISSN: 0166-4328

DOI: 10.1016/s0166-4328(96)00052-6