Cited by 274Visual perception and processing mechanismsMotor Control and AdaptationMultisensory perception and integration

Space coding by premotor cortex

Fogassi, L., Gallese, V., di Pellegrino, G., Fadiga, L., Gentilucci, M., Luppino, G., Matelli, M., Pedotti, A. +1 more·1992·Experimental Brain Research

Abstract

Many neurons in inferior area 6, a cortical premotor area, respond to visual stimuli presented in the space around the animal. We were interested to learn whether the receptive fields of these neurons are coded in retinotopic or in body-centered coordinates. To this purpose we recorded single neurons from inferior area 6 (F4 sector) in a monkey trained to fixate a light and detect its dimming. During fixation visual stimuli were moved towards the monkey both within and outside the neuron's receptive field. The fixation point was then moved and the neuron retested with the monkey's gaze deviated to the new location. The results showed that most inferior area 6 visual neurons code the stimulus position in spatial and not in retinal coordinates. It is proposed that these visual neurons are involved in generating the stable body-centered frame of reference necessary for programming visually guided movements.

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Crossref · 10.1007/bf00229894

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  • PMVc visual receptive fields respond to objects near the arm whether the arm is stretched or held close to the body, independent of gaze shifts, indicating encoding is based on limb position not retinal position.

    “visual receptive fields located in PMVc will respond to objects near the arm, whether the arm is stretched or held close to the body. These responses are independent of gaze shifts, indicating that the encoding of stimuli is not based on retinal position but on the position of the limb (Fogassi et al. 1992; Graziano et al. 1994).”

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Authors
Fogassi, L., Gallese, V., di Pellegrino, G., Fadiga, L., Gentilucci, M., Luppino, G., Matelli, M., Pedotti, A., & Rizzolatti, G.
Affiliations
  • University of Parma (IT)
  • Politecnico di Milano (IT)
Venue
Experimental Brain Research
Published
1992-06
Volume
89
Issue
3
Pages
686-690
ISSN
  • 0014-4819 (ISSN-L)
  • 1432-1106
OpenAlex
W2019276572
Cited by
274
References
0
Citations by year
2026: 3 · 2025: 6 · 2024: 4 · 2023: 18 · 2022: 4 · 2021: 5 · 2020: 8 · 2019: 23 · 2018: 9 · 2017: 4 · 2016: 4 · 2015: 6 · 2014: 5 · 2013: 8 · 2012: 4
FWCI
4.20
Type
journal article
Language
en
Open access
closed
Locations
  • Experimental Brain Research (publishedVersion)
  • PubMed (publishedVersion)
  • Virtual Community of Pathological Anatomy (University of Castilla La Mancha) (submittedVersion)
  • Institutional Research Information System University of Ferrara (University of Ferrara) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
Keywords
premotor cortex, receptive fields, spatial coding, visual neurons, fixation, visually guided movement, gaze deviation
MeSH terms
Animals, Brain Mapping, Cerebral Cortex, Macaca nemestrina, Motor Cortex, Neurons, Photic Stimulation, Space Perception, Visual Perception

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