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  Emotional cognition without awareness after unilateral temporal lobectomy in humans

Kubota, Y., Sato, W., Murai, T., Toichi, M., Ikeda, A., & Sengoku, A. (2000). Emotional cognition without awareness after unilateral temporal lobectomy in humans. The Journal of Neuroscience, 20(19).

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 Creators:
Kubota, Y., Author
Sato, W., Author
Murai, Toshia1, Author              
Toichi, M., Author
Ikeda, A., Author
Sengoku, A., Author
Affiliations:
1MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634574              

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Free keywords: Amygdala; Unilateral temporal lobectomy; Emotion; Emotional visual stimuli; Backward masking; Awareness; EDA
 Abstract: To investigate the function of the amygdala in human emotional cognition, we investigated the electrodermal activity (EDA) in response to masked (unseen) visual stimuli. Six epileptic sub- jects were investigated after unilateral temporal lobectomy. Emotionally valenced photographic slides (10 negative, 10 neu- tral) from the International Affective Picture System were pre- sented to their unilateral visual fields under either subliminal or supraliminal conditions. An interaction between hemispheres and emotional valences was found only under the subliminal conditions; greater EDA responses to negative stimuli com- pared with neutral ones were observed when stimuli were presented to the intact hemispheres. The findings suggest that nonconscious emotional processing is reflected in EDA in a different manner from conscious emotional processing. Medial temporal structures, including the amygdala, thus appear to play a critical role in the neural substrates for this automatic processing.

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Language(s): eng - English
 Dates: 2000
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 239645
ISI: 000089538400001
Other: P7030
 Degree: -

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Title: The Journal of Neuroscience
  Other : The Journal of Neuroscience: the Official Journal of the Society for Neuroscience
  Abbreviation : J. Neurosci.
Source Genre: Journal
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Publ. Info: Washington, DC : Society of Neuroscience
Pages: - Volume / Issue: 20 (19) Sequence Number: - Start / End Page: - Identifier: ISSN: 0270-6474
CoNE: https://pure.mpg.de/cone/journals/resource/954925502187_1