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Title: Variaton in hippocampal dynorphin b-immunoreactive mossy fiber terminal fields of apomorphine-(un)susceptible rats
Author(s): Spooren, W.P.J.M. ; Lubbers, L.J. ; Jenks, B.G. ; Cools, A.R.
Publication year: 1999
Source: Journal of Chemical Neuroanatomy, vol. 17, (1999), pp. 59-64
ISSN: 0891-0618
DOI: https://doi.org/10.1016/S0891-0618(99)00027-7
Publication type: Article / Letter to editor

Please use this identifier to cite or link to this item : https://hdl.handle.net/2066/224373   https://hdl.handle.net/2066/224373

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Subject: Individual differences and information processing
Individuele verschillen en informatie-verwerking
Organization: Psychoneuropharmacology
Cognitive Neuroscience
Neurophysiology
Journal title:
Journal of Chemical Neuroanatomy
Volume: vol. 17
Page start: p. 59
Page end: p. 64
Abstract:
The size of distinct hippocampal sub-fields were measured in the apomorphine-susceptible and apomorphine-unsusceptible rat lines. Mossy fiber terminal fields were delineated using dynorphin B immunoreactivity and area measurements were taken from (1) the supra-pyramidal mossy fiber terminal field; (2) the intra- and infra-pyramidal mossy fiber terminal feld; (3) the hilus of the fascia dentata (4) the non dynorphin B immunoreactive area of the regio inferior and fascia dentata and (5) the total area of regio inferior and fascia dentata. The data indicate the statistically significant differences in the morphometry of the hippocampal subfields of the apomorphine susceptibel and unsusceptible rats are coinfined to the intra- and infra terminal field: the relative size of the left and right intra- and infra terminal field of apomorphine unsusceptible rats are significantly larger than those of the apomorphine susceptible rats. These data explain at least in part the differential response of these rats to novelty.

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