Affiliation:
1. Facultad de Psicología, Universidad Autónoma de Madrid, Spain
2. School of Life Sciences, Jawaharlal Nehru University, India
3. Instituto de Investigación Biomédica de Cádiz, Spain
Abstract
Initial evaluation structures (IESs) currently proposed as the earliest detectors of affective stimuli (e.g., amygdala, orbitofrontal cortex, or insula) are high-order structures (a) whose response latency cannot account for the first visual cortex emotion-related response (~80 ms), and (b) lack the necessary infrastructure to locally analyze the visual features that define emotional stimuli. Several thalamic structures accomplish both criteria. The lateral geniculate nucleus (LGN), a first-order thalamic nucleus that actively processes visual information, with the complement of the thalamic reticular nucleus (TRN) are proposed as core IESs. This LGN–TRN tandem could be supported by the pulvinar, a second-order thalamic structure, and by other extrathalamic nuclei. The visual thalamus, scarcely explored in affective neurosciences, seems crucial in early emotional evaluation.
Funder
Comunidad de Madrid
Ministerio de Ciencia e Innovación
Subject
Arts and Humanities (miscellaneous),Experimental and Cognitive Psychology,Social Psychology
Cited by
7 articles.
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