Vowel-Like Sound Structure in an African Grey Parrot (Psittacus erithacus) Vocal Production
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چکیده
منابع مشابه
Vowel-Like Sound Structure in an African Grey Parrot (Psittacus erithacus) Vocal Production
In our study we taught a female African Grey 11 Italian words: vowel-like sounds were extracted from comprehensible words after critical listening, and pitch frequency (Pkf) was measured for the first three formants of each vowel. Similarly, formants from human vowels were isolated and measured. The analysis run on formant frequencies mean values of both samples revealed that human vowels could...
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An African gray parrot (Psittacus erithacus), Alex, trained to label vocally collections of 1-6 simultaneously presented homogeneous objects, correctly identified, without further training, quantities of targeted subsets in heterogeneous collections. For each test trial Alex was shown different collections of 4 groups of items that varied in 2 colors and 2 object categories (e.g., blue and red ...
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ژورنال
عنوان ژورنال: The Open Behavioral Science Journal
سال: 2009
ISSN: 1874-2300
DOI: 10.2174/1874230000903010001