{"ok":true,"nota":{"id":"4a5ce0e68456154a","slug":"zorros-domesticados-muestran-cambios-en-una-zona-del-cerebro-asociada--4a5ce0","titulo":"Zorros domesticados muestran cambios en una zona del cerebro asociada a la agresividad","resumen":"Científicos compararon los cerebros de zorros domesticados, agresivos y salvajes. Hallaron cambios en el hipotálamo ventromedial, una región de la base del cerebro vinculada a la agresión y a las conductas sociales.","fuente":"phys","fuenteNombre":"Phys.org","color":"#2b5c8a","autor":"","url":"https://phys.org/news/2026-11-wild-mild-friendly-foxes-brain.html","imagen":"https://scx1.b-cdn.net/csz/news/tmb/2026/from-wild-to-mild-frie.jpg","tema":"ciencia","subtemas":["domesticación","neurociencia","conducta animal","zorros","agresividad"],"entidades":["zorros domesticados","hipotálamo ventromedial"],"formato":"dato","entretenimiento":false,"pubTs":"2026-11-02T21:00:06.000Z","indexTs":"2026-11-02T21:02:54.563Z","hash":"977ee5e8a7836caf5ac2a53f6100bd455130a741c5236622a7bf37300a188761","tsa":{"time":"Nov  2 21:03:09 2026 GMT","provider":"freetsa.org","sobre":"sello"},"stats":{"views":0,"likes":0,"clicks":0,"dwell":0},"tipo":"normal","registro":"hallazgo","porQueImporta":"Si la mansedumbre se apoya en cambios concretos en una zona del cerebro, la domesticación deja de verse solo como una cuestión de crianza y pasa a ser también biología. Esto ayuda a entender cómo se formaron perros y otros animales que conviven con nosotros desde hace miles de años. Para quien tiene una mascota, saber que la calma tiene un correlato físico cambia la forma de mirar su conducta. El estudio compara pocos animales, así que todavía es una pista y no una explicación completa.","quienFirma":"Universidad (institución de la investigación original; verificar en la fuente)","confianza":"revisado","consulta":null},"sello":{"hash":"977ee5e8a7836caf5ac2a53f6100bd455130a741c5236622a7bf37300a188761","sello":"f3a4d20c9c0d8e89b22fecf3be37f557cda82052991afbec5e8f100141de11fb","beacon":{"drand":{"cadena":"8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce","ronda":6607412,"aleatorio":"b82811149e1ff778e72e08ad3486e6fdd7930f5e5e94f971a07760805cc0e246","tiempo":"2026-11-02T21:03:00.000Z"},"nist":{"cadena":2,"pulso":2010639,"salida":"D5B8E3AE0CC2A63BA754C217D57DF04E57CD6AB6386845EEE11F24E1EF5095A29117C3854D3F203ED33254CDE4AF88046CDEB28EF096BFED75E6A468AC755FFB","tiempo":"2026-11-02T21:01:00.000Z"},"noAntes":"2026-11-02T21:03:00.000Z"},"verificacion":{"drand":true,"nist":"inaccesible"},"tsa":{"time":"Nov  2 21:03:09 2026 GMT","provider":"freetsa.org","sobre":"sello"},"original":{"titulo":"From wild to mild: Friendly foxes show changes in brain region","descripcion":"Scientists studying the neurology of tame foxes identified changes in a part of the brain that has previously been associated with aggression, according to a new paper that compared the brains of domesticated, aggressive and wild foxes. The changes occurred in an area at the base of the brain called the ventromedial hypothalamus, which is known to drive aggression, control decisions related to energy use and play an important role in maternal instincts and social behaviors in mice.","pubDate":"Mon, 02 Nov 2026 16:00:06 EST","url":"https://phys.org/news/2026-11-wild-mild-friendly-foxes-brain.html"},"indexado":"2026-11-02T21:02:54.563Z"}}