The Influence of Number Magnitude on Vocal Responses

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The study investigated whether number magnitude can influence vocal responses. Participants produced either short or long version of the vowel [&] (Experiment 1), or high or low-pitched version of that vowel (Experiment 2), according to the parity of a visually presented number. In addition to measuring reaction times (RT) of vocal responses, we measured the intensity, the fundamental frequency (f(0)) and the first and second formants of the vocalization. The RTs showed that the long and high-pitched vocal responses were associated with large numbers, while short and low-pitched vocal responses were associated with small numbers. It was also found that high-pitched vocalizations were mapped with the odd numbers, while the low-pitched vocalizations were mapped with the even numbers. Finally, large numbers increased the f(0) values. The study shows systematic interactions between the processes that represent number magnitude and produce vocal responses.
TidskriftJournal of Motor Behavior
Sidor (från-till)129-140
Antal sidor12
StatusPublicerad - 4 mar 2019
MoE-publikationstypA1 Tidskriftsartikel-refererad


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