Abstract:
:Birds commonly use sound for communication between the sexes. In many songbird species, only males sing and there are pronounced sex differences in the neural song control circuits. By contrast, the auditory circuitry is largely similar in males and females. Both sexes learn to recognize vocalizations heard as juveniles and this shapes auditory response selectivity. Mating vocalizations are restricted to the breeding season, when sex steroid levels are elevated. Auditory cells, from the ear to the cortex, are hormone sensitive. Estrogens are synthesized in the brain and can modulate the activity of auditory neurons. In species that breed seasonally, elevated levels of estradiol in females transiently enhance their auditory responses to conspecific vocalizations, resulting in sex differences in audition.
journal_name
Curr Opin Neurobioljournal_title
Current opinion in neurobiologyauthors
Brenowitz EA,Remage-Healey Ldoi
10.1016/j.conb.2016.01.005subject
Has Abstractpub_date
2016-06-01 00:00:00pages
12-7eissn
0959-4388issn
1873-6882pii
S0959-4388(16)00006-4journal_volume
38pub_type
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