It is well known that the probability of an event occurring at a given time can modulate behavior. Although the exact mechanisms behind this effect are still unclear, this is one of the most replicated effects in temporal expectations. www.sciencedirect.com/science/arti... (2/7) - ThreadSky

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andrecravo.bsky.social • 48 days ago

It is well known that the probability of an event occurring at a given time can modulate behavior. Although the exact mechanisms behind this effect are still unclear, this is one of the most replicated effects in temporal expectations. https://www.sciencedirect.com/science/article/abs/pii/S095943880700089X (2/7)

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andrecravo.bsky.social•48 days ago

However, it is also well known that action can modulate time perception (like nicely reviewed by @martinwiener.bsky.social ) https://www.sciencedirect.com/science/article/abs/pii/S1364661321002059 (3/7)

andrecravo.bsky.social•48 days ago

Here, we explore how voluntary actions shape temporal preparation. In 4 experiments, participants responded to visual stimuli that appeared after a delay, sometimes triggered by their actions and sometimes externally. (4/7)

andrecravo.bsky.social•48 days ago

We found that: (1) When people triggered an event themselves, their RTs were slower than when the same event was externally triggered; (2) This was especially true for shorter delays (FPs), but the difference disappeared for longer FPs. (5/7)

andrecravo.bsky.social•48 days ago

Interestingly, this effect only showed up when FPs varied within a block. When FPs stayed constant, the difference vanished! This suggests that voluntary actions interact with uncertainty in temporal preparation. (6/7)

andrecravo.bsky.social•48 days ago

Why does this happen? We are not sure yet, but it seems that action somehow modulates how we estimate the probability of occurrence of events. (7/7)

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