Relation of frontal N100 to psychopathy-related differences in selective attention. Hamilton, R. K B., Baskin-Sommers, A. R, & Newman, J. P Biological psychology, 103:107--116, December, 2014. Paper doi abstract bibtex Research indicates that psychopathy may be characterized by early attentional abnormalities that undermine the processing of peripheral information during goal-directed activity (Baskin-Sommers & Newman, 2012). Past work has found that psychopathic individuals show reduced interference on the Box Stroop task, in which color names are spatially separated from (i.e., peripheral to) colored stimuli (Hiatt, Schmitt, & Newman, 2004). The present study sought to replicate and extend these findings. A priori predictions were that psychopathy scores would be inversely related to interference and that psychopathy-related differences in Box Stroop conflict processing would emerge at an early stage as measured by event-related potentials (ERP). Results supported both hypotheses. Moreover, the association between the early attention-related component (N100) and interference was moderated by level of psychopathy. These findings suggest that psychopathic individuals have less coordinated responses to conflict than healthy individuals, a conjecture that has implications for information integration and self-regulation.
@article{hamilton_relation_2014,
title = {Relation of frontal {N}100 to psychopathy-related differences in selective attention},
volume = {103},
issn = {0301-0511, 1873-6246},
url = {http://dx.doi.org/10.1016/j.biopsycho.2014.08.012},
doi = {10.1016/j.biopsycho.2014.08.012},
abstract = {Research indicates that psychopathy may be characterized by early attentional abnormalities that undermine the processing of peripheral information during goal-directed activity (Baskin-Sommers \& Newman, 2012). Past work has found that psychopathic individuals show reduced interference on the Box Stroop task, in which color names are spatially separated from (i.e., peripheral to) colored stimuli (Hiatt, Schmitt, \& Newman, 2004). The present study sought to replicate and extend these findings. A priori predictions were that psychopathy scores would be inversely related to interference and that psychopathy-related differences in Box Stroop conflict processing would emerge at an early stage as measured by event-related potentials (ERP). Results supported both hypotheses. Moreover, the association between the early attention-related component (N100) and interference was moderated by level of psychopathy. These findings suggest that psychopathic individuals have less coordinated responses to conflict than healthy individuals, a conjecture that has implications for information integration and self-regulation.},
language = {en},
journal = {Biological psychology},
author = {Hamilton, Rachel K Bencic and Baskin-Sommers, Arielle R and Newman, Joseph P},
month = dec,
year = {2014},
pmid = {25179538},
keywords = {Attention, ERP, Interference, Mental Health/Bioethics: Quality of Suffering, N100, Psychopathy},
pages = {107--116}
}
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