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Monday, January 10 • 20:30 - 22:00
Manea et al.: Altercententric interference vs. bias in 7.5 month-old infants: a pupillometry study

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Slack: ​https://bcccd.slack.com/archives/C02PSCYR62Y​​​

Velisar Manea, Dimitrios Askitis, Emanuela Yeung, Victoria Southgate
University of Copenhagen

While adults experience altercentric interference, their own perspective still dominates. We build on our previous work on testing the altercentrism hypothesis - according to which, for infants, the others’ perspective dominates (Southgate, 2020) - with a pupillometry study (7.5 month-olds) conceptually based on Kovacs et al. (2010). Infants see an agent watching a ball stopping behind an occluder; then the agent is hidden by curtains, and the ball rolls outside: the agent last saw the ball inside, the participant last saw the ball outside (P-A+). In the baseline manipulation (P-A-) both the participant and the agent see the ball going out. At the end of trials, the occluder is lowered, revealing empty space. As in the box outcome condition, the agent never comes back, as we want to see if babies learn only the co-witnessed information. They do (BF = 6), but on its own, this is only evidence that the agent’s perspective interferes with what infants encode.
In the reverse condition (done by November), which Kovacs ran only with adults, the agent is hidden after seeing the ball exiting, then the ball comes back and stops behind the occluder (P+A-). Here, adults’ representation of the ball’s presence was not influenced by the agent’s attending to it going out. We hypothesized that if infants have an altercentric bias, they would be less surprised by the object’s absence when the agent attended to it exiting (P+A-) than when both saw the ball in, stopping behind the occluder (P+A+).

  • Session 1, Monday, 10 Jan, 20:30 - 22:00 (UTC +0)
  • Session 11, Friday, 14 Jan, 07:00 - 08:30 (UTC +0)

Monday January 10, 2022 20:30 - 22:00 UTC
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