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SUMMARY:Psychophysical evidence for the involvement of head/body-centered 
 reference frames in egocentric visuospatial memory: A whole-body roll tilt
  paradigm - Stella Wernicke
DTSTART:20251003T130000Z
DTEND:20251003T140000Z
UID:TALK237424@talks.cam.ac.uk
CONTACT:Adam Triabhall
DESCRIPTION:This week we will discuss and debate a very recent paper by Ta
 ni and colleagues (2023).\n\nAbstract: “Accurate memory regarding the lo
 cation of an object with respect to one's own body\, termed egocentric vis
 uospatial memory\, is essential for action directed toward the object. Alt
 hough researchers have suggested that the brain stores information related
  to egocentric visuospatial memory not only in the eye-centered reference 
 frame but also in the other egocentric (i.e.\, head- or body-centered or b
 oth) reference frames\, experimental evidence is scarce. Here\, we tested 
 this possibility by exploiting the perceptual distortion of head/body-cent
 ered coordinates via whole-body tilt relative to gravity. We hypothesized 
 that if the head/body-centered reference frames are involved in storing th
 e egocentric representation of a target in memory\, then reproduction woul
 d be affected by this perceptual distortion. In two experiments\, we asked
  participants to reproduce the remembered location of a visual target rela
 tive to their head/body. Using intervening whole-body roll rotations\, we 
 manipulated the initial (target presentation) and final (reproduction of t
 he remembered location) body orientations in space and evaluated the effec
 t on the reproduced location. Our results showed significant biases of the
  reproduced target location and perceived head/body longitudinal axis in t
 he direction of the intervening body rotation. Importantly\, the amount of
  error was correlated across participants. These results provide experimen
 tal evidence for the neural encoding and storage of information related to
  egocentric visuospatial memory in the head/body-centered reference frames
 " (Tani et al.\, 2023).\n\nReference: Tani\, K.\, Uehara\, S.\, & Tanaka\,
  S. (2023). Psychophysical evidence for the involvement of head/body-cente
 red reference frames in egocentric visuospatial memory: A whole-body roll 
 tilt paradigm. Journal of Vision\, 23(1)\, 16. https://doi.org/10.1167/jov
 .23.1.16
LOCATION:https://cam-ac-uk.zoom.us/j/92612577704?pwd=MUtqMjVQdXNmUTVIYjRkM
 G1NUW9GZz09
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