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Early mechanism of negativity bias: An attentional blink study 1
Author(s) -
KIHARA KEN,
OSAKA NAOYUKI
Publication year - 2008
Publication title -
japanese psychological research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.392
H-Index - 30
eISSN - 1468-5884
pISSN - 0021-5368
DOI - 10.1111/j.1468-5884.2007.00357.x
Subject(s) - attentional blink , attentional bias , negativity effect , psychology , negativity bias , stimulus (psychology) , perception , cognitive psychology , mismatch negativity , electroencephalography , cognition , neuroscience
  The negativity bias is the perceptual phenomena whereby an emotionally negative stimulus is processed faster than a positive or neutral stimulus. We used the attentional blink paradigm to investigate whether attentional resources are required to obtain the negativity bias. Positive, negative or neutral words were used as a preceding target (T1) and/or a subsequent target (T2). Experiment 1 showed that the negativity bias occurred, because the attentional blink was reduced by a negative T2, but not by a positive or neutral T2. Experiment 2 indicated that a negative T1 grabbed attentional resources, interfering with the identification of a neutral T2. Experiment 3 demonstrated that the report of a negative T2 deteriorated when T1 was also negative. We conclude that attentional resources were required for the occurrence of the negativity bias.

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