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Auditory "Object" perception in pigeons (Columba livia )
Başlık:
Auditory "Object" perception in pigeons (Columba livia )
Yazar:
Keller, Ashlynn M., author.
ISBN:
9780438026902
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (39 pages)
Genel Not:
Source: Masters Abstracts International, Volume: 57-06M(E).
Advisors: Robert G. Cook Committee members: Brett Gibson; Anniruddh D. Patel.
Özet:
Separating auditory signal from noise is necessary for survival (e.g., discerning a hawk's cry from a brook's roar). Previous research suggests that auditory object perception is based on temporal features of a single stimulus and across the auditory stimuli within close temporal proximity (i.e., trial). To understand time's influence on auditory grouping, pigeons were tested in an auditory same-different go/no-go task. Pigeons were trained to peck if sounds in a series were different (S +) and suppress pecks if a sound repeated (S -). Experiment 1 varied the sound's presentation rate and revealed that pigeons did not change their peck rates when the tempo changed. Experiment 2 changed the local sequence by presenting the same sounds forward and reversed, but found no change to discrimination. Experiment 3 divided sounds into equal parts and scrambled the parts to create a new order. Scrambling had no effect on discrimination. These results suggest pigeons use one or multiple time-invariant auditory features to solve a same-different discrimination.
Notlar:
School code: 0234
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(693084.1) | 693084-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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