Published
29/11/2025 às 07:49
Researchers observed that monkeys are able to keep up with the rhythm of music using their feet and maintain movements aligned with the beat. This behavior drew attention because it contradicts the idea that only animals with vocal learning abilities would be able to recognize and move in sync with a sound pattern. The team responsible highlighted that, among non-human species, isochrony is rare in the animal kingdom and usually appears only in very specific situations.
The ability analyzed requires pattern recognition, anticipation, and motor coordination. According to the researchers, it is a skill that emerges early in life and involves complex processes. The monkeys received a song as a stimulus and responded with movements that adjusted to the rhythm throughout the experiment.
Responses to unreleased songs
The researchers stated that the behavior continued even when the monkeys were exposed to music they had not heard before. This finding was reinforced by the fact that they maintained the synchronization with their feet even when they no longer received rewards for their performance. For those responsible for the study, the result suggests that rhythmic perception may encompass a broader evolutionary spectrum than initially believed.
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Observations indicated that monkeys do not experience music in the same way as humans and require extensive training. Even so, they demonstrated the ability to interpret and move to a beat. The team emphasized that the result indicates deeper evolutionary roots for rhythm. The human ability to identify and follow a steady beat was highlighted in a press release quoted by the researchers.
Origin and limitations of isochrony
The scientific literature considered by the study’s authors indicates that isochrony is observed only in some birds and in specific individuals of other species. This scenario creates a gap in understanding the neurobiological basis of the ability. An important hypothesis, known as the vocal learning hypothesis, proposes that synchronization depends on specialized brain circuits that connect hearing and movement, developed to support complex vocal learning.
Vani Rajendran and his colleagues investigated whether monkeys trained to synchronize hand sounds with metronome beats could transfer this skill to complete songs, with all the acoustic diversity that composes them. The group analyzed the performance of the monkeys. animals in the face of this new sonic complexity.
Musicality as a human trait
The results reinforced the idea that musicality, especially rhythmic movement, is an essential human characteristic. The team observed that few species demonstrate this ability, and among those, all exhibit vocal learning. For the researchers, this pattern points to a relationship between learned vocalization and sensitivity to rhythm.
Published in the journal Science, the study emphasizes that synchronizing movements with music is a central element of human culture, although its evolutionary origins remain poorly understood. According to the source material, this ability involves extracting a constant pulse from continuous sounds, projecting this pattern in time, and adjusting motor commands to anticipate subsequent beats.
Counterpoint to the vocal learning hypothesis
The findings presented show that monkeys were able to synchronize their movements with a subjective beat present in real music.
The team also identified that they were able to maintain this response spontaneously, even when other strategies were available. This result contrasts with the influence of the vocal learning hypothesis, according to which only species with learned complex vocalizations could follow a musical beat.
The study indicates that monkeys broaden our understanding of the subject and show that rhythmic perception may have older and more widespread roots than initially thought.
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