Acoustic imprinting leads to differential 2-deoxy-D-glucose uptake in the chick forebrain.

Maier, Verena; Scheich, Henning

doi:10.1073/pnas.80.12.3860

Cited by 71 publications

(45 citation statements)

References 24 publications

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“…In contrast, as mentioned under Introduction, there is good evidence that the four areas as a whole are activated by arousal and may be involved in the processing of behaviorally relevant information (Bischof & Herrmann, 1986;Miiller & Scheich, 1986). This information in some cases gains its importance by imprinting (Maier & Scheich, 1983;Wallh~iuser & Scheich, 1987).…”

Section: Discussionmentioning

confidence: 99%

“…Likewise, filial imprinting (Kohsaka, Takamatsu, Aoki, & Tsukada, 1979) and passive avoidance learning (Rose, 1985) can be demonstrated to enhance 2-DG uptake in certain forebrain areas. Maier and Scheich (1983) demonstrated that the hyperstriatum accessorium and adjacent areas (HAD), the lateral neo-hyperstriatum (LNH), and the medial neo-hyperstriatum (MNH) are activated if young guinea fowl chicks are exposed to a sound of a certain frequency to which they were previously imprinted. Chicks which were naive or imprinted on another tone did not show this activation pattern.…”

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Isolation-dependent enhancement of 2-[14C]deoxyglucose uptake in the forebrain of zebra finch males

Bischof

Herrmann

1988

Behavioral and Neural Biology

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In a previous study (H. J. Bischof & K. Herrmann (1986), Behavioral Brain Research, 21, 215-221) we demonstrated that four forebrain areas of the zebra finch male are activated in situations which arouse the animal, for example when the birds are chased around the cage or when they are exposed to a female. These areas, the hyperstriatum accessorium-dorsale (HAD), a part of the medial neo-hyperstriatum (MNH), the lateral neo-hyperstriatum (LNH), and a portion of the caudal archi-neostriatum (ANC), show enhanced 2-[~4C]deoxyglucose (2-DG) uptake according to the experimental situation. On the basis of these experiments, we examined whether the activation of the areas is correlated with motor activity and is influenced by different isolation times prior to a 2-DG experiment, where courtship of the male birds is elicited by exposing them to a female zebra finch. For this purpose, we isolated male zebra finches for 1 day, 1 week, or 8 weeks, respectively, before we injected the 2-DG and exposed the birds to a female. During the experiment, besides other activities, the number of song motifs performed by the bird and the frequency of changing perches was recorded. Our experiments demonstrate that there is a weak negative correlation between motor activity and 2-DG uptake, and a positive correlation between isolation time and 2-DG uptake. We suggest that long isolation blocks courtship behavior by some unknown mechanisms, and that the "internal drive" of the animal, which possibly corresponds with the activity of the four forebrain areas, is enhanced by isolation and by the fact that the birds do not perform the consummatory behavior. Our results also demonstrate that the 2-DG method can show up small differences in the internal state of an animal, which cannot easily be detected by behavioral measurements. © 1988 Academic Press, IncThe metabolic rate and the neuronal activity of brain areas can be measured by the 2-[I4C]deoxyglucose (2-DG) method (e

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Section: Discussionmentioning

confidence: 99%

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Isolation-dependent enhancement of 2-[14C]deoxyglucose uptake in the forebrain of zebra finch males

Bischof

Herrmann

1988

Behavioral and Neural Biology

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“…These learning-induced physiological changes are accompanied by a reorganization of synaptic connections (Maier and Scheich, 1983;Wallhä user and Scheich, 1987;Bock and Braun, 1995).…”

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“…This age was chosen to be able to relate our anatomical findings to the metabolic, biochemical, and physiological measurements during memory recall (Maier and Scheich, 1983;Wallhä user and Scheich, 1987;Reiser et al, 1995;Bock et al, 1996Bock et al, , 1997Bredenkötter and Braun, 1997). It was neither our intention to perform a developmental study nor did we aim for a quantitative comparison between imprinted and socially isolated animals.…”

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Localization of dopamine D1 receptors and dopaminoceptive neurons in the chick forebrain

et al. 1997

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The distributions of dopamine D1 receptors, dopaminoceptive neurons, and catecholaminergic fibers were investigated in the forebrain of the domestic chick by using D1 receptor autoradiography and immunohistochemical detection of D1 receptor protein (D1rp), the dopamine- and cAMP-regulated phosphoprotein DARPP-32, and tyrosine hydroxylase (TH). Particular attention was paid to two forebrain regions, the mediorostral neostriatum/ hyperstriatum ventrale (MNH) and neostriatum dorsocaudale (Ndc), which have been shown to be crucially involved in filial imprinting. In general, there was a good, but not complete, correlation between the immunohistochemical pattern of DARPP-32 positive perikarya and the distribution of D1 receptors. Both, DARPP-32 positive neurons as well as D1 receptors were highly enriched in the striatal part of the basal ganglia including the lobus parolfactorius (LPO) and paleostriatum augmentatum. High to moderate densities were observed in the outer rind of the pallium. Low to moderate densities were found in the belt regions of primary sensory areas, whereas densities in the respective core regions were generally low. Labeling in the MNH and Ndc was heterogeneous. Whereas the neostriatal part of MNH displayed both, moderate DARPP-32 immunostaining and moderate D1 receptor densities, the hyperstriatal part showed also moderate D1 receptor densities but was only weakly labeled by DARPP-32. The rostral part of the Ndc was among the most intensely DARPP-32 labeled areas of the pallium, its caudal part revealed only moderate DARPP-32 immunostaining. By using D1 receptor autoradiography, a homogeneous labeling throughout the rostrocaudal extension of the Ndc was found. Double-labeling experiments with antibodies to DARPP-32 and TH revealed that TH positive fibers in the MNH, Ndc, and LPO were often closely related to DARPP-32 positive perikarya. At the ultrastructural level, both immunoreaction for D1rp and DARPP-32 in the MNH and Ndc were primarily found to be associated with postsynaptic elements. Whereas D1rp immunoreactivity was enriched at postsynaptic densities or in their vicinity, reaction product for DARPP-32 was present throughout the perikaryal cytoplasm, dendrites, and dendritic spines. These results indicate that DARPP-32 as well as D1 receptors in the avian forebrain reveal a distribution that is substantially similar to that of mammals.

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“…Domestic chicks have been extensively used as an experimental model to study the basic brain mechanisms that underlie visual and auditory filial imprinting (for reviews see Horn, 1985Horn, , 1991Scheich, 1987;Scheich et al, 1991). During the first days after hatching, domestic chicks can be acoustically imprinted on rhythmic tone pulses of a given frequency, for which they develop a strong preference (Maier and Scheich, 1983;Wallhausser and Scheich, 1987;Bock et al, 1996). By using 2-fluoro-deoxyglucose autoradiography, it was found that several forebrain areas displayed an increased metabolic activity in response to the imprinting tone compared with age-matched naive control animals.…”

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Organization of the dopaminergic innervation of forebrain areas relevant to learning: A combined immunohistochemical/retrograde tracing study in the domestic chick

et al. 1996

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The mediorostral neostriatum/hyperstriatum ventrale (MNH) and neostriatum dorsocaudale (Ndc) of the domestic chick are crucially involved in auditory filial imprinting, whereas the lobus parolfactorius (LPO) seems to be involved in the emotional modulation of behavior. Because there is evidence that MNH and Ndc are akin to higher association areas in mammals, the present study evaluates the dopaminergic and thalamic input to these areas, as well as to the avian caudate/putamen homologue LPO, by using retrograde pathway tracing, together with dopamine (DA) and tyrosine hydroxylase (TH) immunohistochemistry. By combining DA immunohistochemistry with retrograde fluorescent tracing, we demonstrated that dopaminergic afferents to the MNH and Ndc arise mainly from the area ventralis, whereas the main dopaminergic input to the LPO arises from the substantia nigra. The main thalamic input to the MNH and LPO arises from the dorsal thalamic nuclei, n. dorsomedialis anterior and n. dorsolateralis anterior, whereas the thalamic input to the Ndc arises from the n. dorsolateralis posterior and n. subrotundus. Furthermore, there are reciprocal intratelencephalic connections between distinct parts of the neostriatum caudale and the mediorostral neostriatum. DA-immunoreactive (ir) fibers are present at moderate densities in the MNH and Ndc and at high densities in the LPO. At the ultrastructural level, DA- and TH-ir axon terminals in the MNH and Ndc form predominantly symmetric synaptic contacts with dendritic shafts, which are often situated in close vicinity to unstained terminals. These results indicate that the general organization of dopaminergic afferents to the chick telecephalon is similar to that of the mesotelencephalic dopaminergic subsystems in mammals such as the mesostriatal and mesolimbocortical DA system.

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Acoustic imprinting leads to differential 2-deoxy-D-glucose uptake in the chick forebrain.

Cited by 71 publications

References 24 publications

Isolation-dependent enhancement of 2-[14C]deoxyglucose uptake in the forebrain of zebra finch males

Isolation-dependent enhancement of 2-[14C]deoxyglucose uptake in the forebrain of zebra finch males

Localization of dopamine D1 receptors and dopaminoceptive neurons in the chick forebrain

Organization of the dopaminergic innervation of forebrain areas relevant to learning: A combined immunohistochemical/retrograde tracing study in the domestic chick

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