The neural substrates of biological motion perception: An fMRI study

Philip Servos, Rieko Osu, Andrea Santi, Mitsuo Kawato

Research output: Contribution to journalArticle

115 Citations (Scopus)

Abstract

We used fMRI to identify the brain areas related to the perception of biological motion (4 T EPI; whole brain). In experiment 1, 10 subjects viewed biological motion (a human figure jumping up and down, composed of 21 dots), alternating with a control stimulus created by applying autoregressive models to the biological motion stimulus (such that the dots' speeds and amplitudes were preserved whereas their linking structure was not). The lengths of the stimulus bouts varied, and therefore the transitions between biological motion and control stimuli were unpredictable. Subjects had to indicate with a button press when each transition occurred. In a related biological motion task, subjects detected short (1 s) disturbances within these displays. We also examined the neural substrates of motion and shape perception, as well as motor imagery, to determine whether or not the cortical regions involved in these processes are also recruited during biological motion perception. Subjects viewed linear motion displays alternating with static dots and a series of common objects alternating with band-limited white noise patterns. Subjects also generated imagery of their own arm movements alternating with visual imagery of common objects. Biological motion specific BOLD signal was found within regions of the lingual gyrus at the cuneus border, showing little overlap with object recognition, linear motion or motion imagery areas. The lingual gyrus activation was replicated in a second experiment that also mapped retinotopic visual areas in three subjects. The results suggest that a region of the lingual gyrus within VP is involved in higher-order processing of motion information.

Original languageEnglish
Pages (from-to)772-782
Number of pages11
JournalCerebral Cortex
Volume12
Issue number7
Publication statusPublished - 2002
Externally publishedYes

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Motion Perception
Magnetic Resonance Imaging
Occipital Lobe
Imagery (Psychotherapy)
Biological Models
Brain
Automatic Data Processing
Human Body

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Servos, P., Osu, R., Santi, A., & Kawato, M. (2002). The neural substrates of biological motion perception: An fMRI study. Cerebral Cortex, 12(7), 772-782.

The neural substrates of biological motion perception : An fMRI study. / Servos, Philip; Osu, Rieko; Santi, Andrea; Kawato, Mitsuo.

In: Cerebral Cortex, Vol. 12, No. 7, 2002, p. 772-782.

Research output: Contribution to journalArticle

Servos, P, Osu, R, Santi, A & Kawato, M 2002, 'The neural substrates of biological motion perception: An fMRI study', Cerebral Cortex, vol. 12, no. 7, pp. 772-782.
Servos, Philip ; Osu, Rieko ; Santi, Andrea ; Kawato, Mitsuo. / The neural substrates of biological motion perception : An fMRI study. In: Cerebral Cortex. 2002 ; Vol. 12, No. 7. pp. 772-782.
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