A neural mechanism underlying mating preferences for familiar individuals in medaka fish.
Science
; 343(6166): 91-4, 2014 Jan 03.
Article
en En
| MEDLINE
| ID: mdl-24385628
ABSTRACT
Social familiarity affects mating preference among various vertebrates. Here, we show that visual contact of a potential mating partner before mating (visual familiarization) enhances female preference for the familiarized male, but not for an unfamiliarized male, in medaka fish. Terminal-nerve gonadotropin-releasing hormone 3 (TN-GnRH3) neurons, an extrahypothalamic neuromodulatory system, function as a gate for activating mating preferences based on familiarity. Basal levels of TN-GnRH3 neuronal activity suppress female receptivity for any male (default mode). Visual familiarization facilitates TN-GnRH3 neuron activity (preference mode), which correlates with female preference for the familiarized male. GnRH3 peptides, which are synthesized specifically in TN-GnRH3 neurons, are required for the mode-switching via self-facilitation. Our study demonstrates the central neural mechanisms underlying the regulation of medaka female mating preference based on visual social familiarity.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Ácido Pirrolidona Carboxílico
/
Percepción Visual
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Oryzias
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Hormona Liberadora de Gonadotropina
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Reconocimiento en Psicología
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Preferencia en el Apareamiento Animal
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Neuronas
Límite:
Animals
Idioma:
En
Revista:
Science
Año:
2014
Tipo del documento:
Article
País de afiliación:
Japón