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Музичний фонд

Українська музична періодика (1923-1931)

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Music Perception : an interdisciplinary journal.- Berkeley

6. We report five experiments in which listeners heard the beginnings of classical minuets (or similar dances). The phrase in either measures 1-2 or measures 3-4 was selected as a target, tested at the end of the excerpt. A "beep" indicated the test item, which was a continuation of the minuet as written. Test items were targets (repetitions of the selected phrase), similar lures (imitations of targets), or different lures, and occurred after delays of 4-5, 15, or 30 s. We estimated the proportion of correct discriminations of targets from similar lures and targets from different lures. In Experiment 1, discrimination of targets from similar lures (but not of targets from different lures) improved between 5 and 15 s. Experiment 2 extended this result to a delay of 30 s. Discrimination of targets from similar lures improved over time, especially for second-phrase targets. This improvement was due mainly to decreasing false alarms to similar lures. Experiments 3 and 4 replaced the continuous music with silence and with a repetitive "oom-pah-pah" pattern, and the improvement in discrimination of targets from similar lures disappeared. Experiment 5 removed listeners' expectations of being tested, and the improvement also disappeared. Results are considered in the framework of current theories of memory, and their implications for the listener's experience of hearing music are discussed.

Зміст видання

2002

Vol. 19

№ 2

Brattico, Elvira.

Context Effects on Pitch Perception in Musicians and Nonmusicians: Evidence from Event-Related-Potential Recordings [Текст] / Elvira Brattico, Risto Näätänen, Tervaniemi‌ // Music Perception : An interdisciplinary journal. - 2001. - Vol. 19, № 2. - P.199–222 .

Шифр журнала: Ж40222/2001/19/2

Анотація: Behavioral evidence indicates that musical context facilitates pitch discrimination. In the present study, we sought to determine whether pitch context and its familiarity might affect brain responses to pitch change even at the preattentive level. Ten musicians and 10 nonmusicians, while concentrating on reading a book, were presented with sound stimuli that had an infrequent (p = 15%) pitch shift of 144 Hz. In the familiar condition, the infrequent third-position deviant changed the mode (major vs. minor) of the five-tone pattern. In the unfamiliar condition, patterns were formed from five arithmetically determined tone frequencies, the deviant not causing any change of mode. The no-context condition included only third-position tones. All deviants elicited the change-specific mismatch negativity component of the event-related potentials in both groups of subjects. In both musicians and nonmusicians, pitch change in the familiar condition evoked larger mismatch negativity amplitude than the change in the unfamiliar condition and, correspondingly, larger mismatch negativity in the unfamiliar condition than in the no-context condition. This suggests that preattentive pitch-change processing is generally enhanced in a familiar context. Moreover, the latency of the mismatch negativity was shorter for musicians than for nonmusicians in both the familiar and unfamiliar conditions, whereas no difference between groups was observed in the no-context condition. This finding indicates that, in response to sequential structured sound events, the auditory system reacts faster in musicians than in nonmusicians.

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Näätänen, Risto; Tervaniemi‌, Mari

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