Reaction Time as a Measure of Effects of Auditory Stimuli on Vision

Bu çalışma birbirlerinden farklı sesli uyarıcıların görsel bir hedefin yerini hiçbir sesli uyarıcının olmadığı durumdakine göre daha çabuk bulmaya yardımcı olup olmadıklarını bulmak amacını güdüyordu. Çalışma Deney 1 ve Deney 2 diye adlandırılan iki deneyden ibaretti. Deneklerin görevi bilgisayar ekranında düğmelerden biri üzerinde görünecek olan ve görsel hedef işlevi yapan A harfini bulmaktı. Deney 1’in denekleri hedef harfi bulmalarına yardımcı olabilecek herhangi bir sesli ipucu işitmediler fakat hedef harf diğer renksiz düğmeli harflerin aksine kırmızı düğme içinde belirdi. Deney 1 de deneklerin reaksiyon süreleri A harfinin renksiz gözüktüğündeki duruma kıyasla renkli düğme içinde gözüktüğünde daha hızlıydı. Deney 2’de denekler düğmeler dairesini görmeden hemen önce kısa bir melodi veya bir nota işittiler. Kısa melodinin Deney 2 deneklerinin ortalama tepki süresini kısalttığı bulundu. Tek notanın Deney 2 deneklerinin tepki sürelerini kısalttığını gösterecek deliller gözlenmedi.

Sesli Uyarımların Görme Üzerindeki Etkilerini İncelemek İçin Bir Ölçüt Olarak Reaksiyon Süresi

This study was intended to determine whether an auditory stimulus would help to locate a visual target faster than it could be located without any auditory stimulus. The study consisted of two experiments, named Experiment 1 and Experiment 2, consecutively. The participants’ task was to click on the button labeled with the letter ‘A’ that served as the visual target on the computer screen. The participants of Experiment 1 heard no auditory clue that could help to locate the target letter; but instead, they saw the letter ‘A’ appeared on a red-colored square among other colorless letters. The participants of Experiment 2 heard a short melody or a single note just before they saw the circle of buttons. In experiment 1, participants had faster reaction times in trials with color than in trials without color. In Experiment 2, possible target locations were associated with a melody or single notes. Whole melody was found to shorten the average reaction time of the participants of Experiment 2. Single notes did not seem to improve the reaction time of the participants of Experiment 2.

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