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- Title
Single-Unit Recordings Reveal the Selectivity of a Human Face Area.
- Authors
Decramer, Thomas; Premereur, Elsie; Qi Zhu; Van Paesschen, Wim; van Loon, Johannes; Vanduffel, Wim; Taubert, Jessica; Janssen, Peter; Theys, Tom
- Abstract
The exquisite capacity of primates to detect and recognize faces is crucial for social interactions. Although disentangling the neural basis of human face recognition remains a key goal in neuroscience, direct evidence at the single-neuron level is limited. We recorded from face-selective neurons in human visual cortex in a region characterized by functional magnetic resonance imaging (fMRI) activations for faces compared with objects. The majority of visually responsive neurons in this fMRI activation showed strong selectivity at short latencies for faces compared with objects. Feature-scrambled faces and face-like objects could also drive these neurons, suggesting that this region is not tightly tuned to the visual attributes that typically define whole human faces. These single-cell recordings within the human face processing system provide vital experimental evidence linking previous imaging studies in humans and invasive studies in animal models.
- Subjects
FUNCTIONAL magnetic resonance imaging; INTRODUCED animals; VISUAL cortex
- Publication
Journal of Neuroscience, 2021, Vol 41, Issue 45, p9340
- ISSN
0270-6474
- Publication type
Article
- DOI
10.1523/JNEUROSCI.0349-21.2021