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  Repetition related ERP effects in a visual object target detection task

Penney, T. B., Mecklinger, A., & Nessler, D. (2001). Repetition related ERP effects in a visual object target detection task. Cognitive Brain Research, 10(3), 239-250. doi:10.1016/S0926-6410(00)00041-0.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-D573-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-2954-4
Genre: Journal Article

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 Creators:
Penney, Trevor B.1, Author              
Mecklinger, Axel1, Author              
Nessler, Doreen1, 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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 Abstract: ERP responses to initial and repeated presentations of possible and impossible objects were recorded from 61 recording sites in a simple target detection task. In Experiment 1, the non-target objects were line drawings of possible and impossible 3-D geometric figures and the targets were line drawings of familiar everyday objects or combinations of parts of everyday objects. In Experiment 2, the non-target objects were everyday objects and the targets were possible and impossible 3-D geometric figures. In both experiments, at frontal sites, the repeated possible and impossible non-target items elicited less negative ERP waveforms relative to first presentations between 250 and 350-400 ms. At parieto-occipital sites, in both experiments, the repeated possible and impossible non-target items elicited less positive ERP waveforms than did first presentations beginning at about 300 ms. The briefly reduced frontal negativity to repeated items is consistent with familiarity arising from a facilitation of access to conceptual, semantic and visuo-spatial representations during object categorization. The polarity of the parieto-occipital effect was the reverse of what is usually found in stimulus repetition tasks, although it is consistent with earlier work using similar visual stimuli. It is interpreted as reflecting the availability of a newly formed representation (i.e., token) of the object just experienced.

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Language(s): eng - English
 Dates: 2001
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 239719
ISI: 000166806400003
Other: P7087
DOI: 10.1016/S0926-6410(00)00041-0
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Title: Cognitive Brain Research
  Other : Cognit. Brain Res.
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 10 (3) Sequence Number: - Start / End Page: 239 - 250 Identifier: ISSN: 0926-6410
CoNE: /journals/resource/954925385137_2