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  Emotional prosody processing in patients with lesions in orbitofrontal cortex: the point in time makes the difference

Paulmann, S., Seifert, S., & Kotz, S. A. (2007). Emotional prosody processing in patients with lesions in orbitofrontal cortex: the point in time makes the difference. Poster presented at 2007 Annual Meeting of the Cognitive Neuroscience Society (CNS), New York, NY, USA.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-B0D3-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-EE28-4
Genre: Poster

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 Creators:
Paulmann, Silke1, Author              
Seifert, Sebastian2, Author              
Kotz, Sonja A.1, 3, Author              
Affiliations:
1Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
2Department Cognitive Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634563              
3Minerva Research Group Neurocognition of Rhythm in Communication, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634560              

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 Abstract: It is well established that lesions of the human orbitofrontal cortex (OFC) lead to large-scale changes in emotional behaviour. For example, it has been shown that patients with orbitofrontal lesions have impaired emotional face and voice expression recognition (e.g. Hornak et al., 1996; 2003). However, to our knowledge, previous studies have failed to acknowledge that emotional perception is a multi-level process, i.e. studies have not investigated different stages of emotional processing (early vs. late) in the same patient group. Therefore, the current study investigated emotional prosody processing in an on-line ERP-experiment (using an implicit emotional prosody processing task) and an offline behavioural experiment (using an explicit emotional prosody processing task). We tested emotional prosody perception in OFC-lesion patients using vocal expressions (with and without lexical content) of anger, fear, disgust and happiness compared to a neutral baseline. In line with previous evidence (Paulmann & Kotz, 2005), results show that early emotional prosody processing of different emotional prosodies elicit a similar P200 in the ERP in both OFC-patients and healthy controls. However, at later processing stages, i.e. decision and evaluation stages, healthy listeners show better emotional prosody recognition rates than OFC-patients. The current data serve as first preliminary evidence that emotional prosody perception is impaired only at later processing stages in OFC-patients.

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Language(s): eng - English
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 Publication Status: Not specified
 Pages: -
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 Rev. Type: -
 Identifiers: eDoc: 392064
Other: R2408
 Degree: -

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Title: 2007 Annual Meeting of the Cognitive Neuroscience Society (CNS)
Place of Event: New York, NY, USA
Start-/End Date: 2007-05-05 - 2007-05-08

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