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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Conspecific song preference ： ウィキペディア英語版 Conspecific song preference Conspecific song preference is the ability songbirds require to distinguish conspecific song from heterospecific song in order for females to choose an appropriate mate, and for juvenile males to choose an appropriate song tutor during vocal learning. Researchers studying the swamp sparrow (''Melospiza georgiana'') have demonstrated that young birds are born with this ability, because juvenile males raised in acoustic isolation and tutored with artificial recordings choose to learn only songs that contain their own species' syllables.〔Marler, P. and S. Peters. 1977. Selective vocal learning in a sparrow. Science 198:519-521.〕 Studies conducted at later life stages indicate that conspecific song preference is further refined and strengthened throughout development as a function of social experience.〔Amin, N., A. Doupe, and F. Theunissen. 2007. Development of selectivity for natural sounds in the songbird auditory forebrain. Journal of Neurophysiology 97:3517.〕 The selective response properties of neurons in the songbird auditory pathway has been proposed as the mechanism responsible for both the innate and acquired components of this preference. == Neural mechanisms == The mechanism responsible for the ability to distinguish song types has not yet been fully characterized by researchers in the field of neuroethology, but it has been demonstrated that at least five different structures within the auditory pathway contain neurons that preferentially respond to conspecific song. The structure of neural networks, the morphology of neurons, and the receptor and ion channel complement of pre-synaptic connections cause some neurons to respond maximally to a particular stimulus frequency, phase, amplitude or temporal pattern, and this is known as spectral-temporal tuning.〔Woolley, A.M.N., T.E. Fremouw, A. Hsu and F.E. Theunissen. 2005. Tuning for spectro-temporal modulations as a mechanism for auditory discrimination of natural sounds. Nature Neuroscience 8:1371-1379.〕 Tight spectral-temporal tuning in the auditory pathway provides the central nervous system of songbirds with the ability to discriminate between conspecific and heterospecific songs. Tuning characteristics of auditory neurons have been best characterized in zebra finch (''Taeniopygia guttata''), canary (''Serinus canaria''), European starling (''Sturnus vulgaris'') and barn owl (''Tyto alba''). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Conspecific song preference」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.