Sexual preferences of male zebra finches: effects of early and adult experience

Kruijt, Jaap P.; Meeuwissen, Guido

doi:10.1016/s0003-3472(05)80609-8

Cited by 48 publications

(25 citation statements)

References 17 publications

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“…Both processes, song learning and imprinting, are also very stable against further alterations, and they are also comparable in many other aspects to the phenomena of cortical development [2]. Because there is strong evidence that sexual imprinting occurs in exactly the situation we used in this study, namely the first exposure of a male to a female after reaching adulthood [8,23,24], we suppose that the reduction of spines within MNH is the anatomical manifestation of this imprinting process.…”

Section: Discussionmentioning

confidence: 64%

“…Wallhausser and Scheich [4t] showed that the spine density of a neuron type similar to that described by us for ANC, is reduced by the imprinting procedure. Because there is strong evidence that imprinting occurs also in the situation described above, namely the first opportunity to court for a male which was isolated from independence until adulthood [ 8,23,24] we were interested in the question whether MNH showed also alterations of spine density after the 1-week exposure to a female.…”

Section: Introductionmentioning

confidence: 99%

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

Rollenhagen¹,

Bischof²

1994

Behavioural Brain Research

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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 which are strongly activated if a male bird is exposed to a female after some time of isolation. The results of our study can be summarized as follows. 1: a peak-decline trend is observed in ANC, but not in MNH. 2: rearing conditions do not affect the development of both areas until day 70. 3: from 80 days of age, isolation leads to reduced spine density within ANC, but to enhanced spine density within MNH. 4: short social contact after isolation diminishes or eliminates the effects of isolation by an enhancement of spine density in ANC and a reduction of spine density within MNH. 5: the effects of short social rearing after isolation are reversible within ANC, but not within MNH. We presume that the alterations of spine density, which are induced by changes in social conditions, are restricted to ages older than 70 days by hormonal factors. We propose that the complexity of the ANC neuronal net follows the complexity of the social environment, and that the level of arousal is the most important factor influencing the complexity. We further suppose that the reduction of spines within MNH is the anatomical manifestation of an imprinting process, which has been shown to occur in the same experimental situation as we used it in our study.

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Section: Discussionmentioning

confidence: 64%

Section: Introductionmentioning

confidence: 99%

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

Rollenhagen¹,

Bischof²

1994

Behavioural Brain Research

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“…In both of the basic studies (Immelmann et al 1991;Kruijt & Meeuwissen 1991) consolidation occurred when the females were separated by wire mesh, and Kruijt & Meeuwissen (1991), with the same experimental design, also showed that the initially acquired preference can be modified. Instead of direct interaction, the enhancement of arousal induced by the presence of the female may play an important role.…”

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confidence: 87%

“…There have been several claims of such an 'own species bias' (Immelmann 1972a, b) but severe arguments have been raised against such a view (Kruijt & Meeuwissen 1993). Immelmann et al (1991) and Kruijt & Meeuwissen (1991) recently published results which suggest a more plausible explanation. According to their experiments, sexual imprinting may be a two-stage process.…”

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confidence: 99%

“…If, however, they can court only females that do not resemble the parent species, modification of the preference is possible. In other words, the social preference established in early development is not transferred to sexual preference: zebra finch males reared by Bengalese finch, Lonchura striata, foster parents sometimes switch their preference to zebra finches if the first courtship event is with a zebra finch female (Bischof & Clayton 1991;Immelmann et al 1991;Kruijt & Meeuwissen 1991, 1993. It is therefore possible to distinguish two successive stages of sexual imprinting, an acquisition phase, which is identical to the 'classical' sensitive phase, and a process of consolidation, which occurs when the male zebra finch is sexually mature (Bischof 1994).…”

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confidence: 99%

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Sexual imprinting as a two-stage process: mechanisms of information storage and stabilization

1995

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Abstract. Sexual imprinting occurs in two stages, an acquisition phase when the birds learn about their social environment, and a consolidation process where the acquired information is linked to sexual behaviour and stabilized. Some of the factors that may influence acquisition and consolidation, respectively, were examined. Zebra finch, Taeniopygia guttata, males were reared by Bengalese finch, Lonchura striata, foster parents until 40 days of age, then isolated for 60 days, and exposed to a zebra finch female for 1 h at day 100. Thereafter, the birds were isolated for 3 days and then exposed to a Bengalese finch female for another 1 h. In subsequent preference tests, the preference scores of the birds were correlated with how much they were fed by their foster parents.

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Development of Behavior

Bolhuis¹

2021

The Behavior of Animals, 2nd Edition

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Sexual preferences of male zebra finches: effects of early and adult experience

Cited by 48 publications

References 17 publications

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

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

Sexual imprinting as a two-stage process: mechanisms of information storage and stabilization

Development of Behavior

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