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Insulation for daydreams: a role for tonic norepinephrine in the facilitation of internally guided thought.

التفاصيل البيبلوغرافية
العنوان: Insulation for daydreams: a role for tonic norepinephrine in the facilitation of internally guided thought.
المؤلفون: Jonathan Smallwood, Kevin S Brown, Benjamin Baird, Michael D Mrazek, Michael S Franklin, Jonathan W Schooler
المصدر: PLoS ONE, Vol 7, Iss 4, p e33706 (2012)
بيانات النشر: Public Library of Science (PLoS), 2012.
سنة النشر: 2012
المجموعة: LCC:Medicine
LCC:Science
مصطلحات موضوعية: Medicine, Science
الوصف: Although consciousness can be brought to bear on both perceptual and internally generated information, little is known about how these different cognitive modes are coordinated. Here we show that between-participant variance in thoughts unrelated to the task being performed (known as task unrelated thought, TUT) is associated with longer response times (RT) when target presentation occurs during periods when baseline Pupil Diameter (PD) is increased. As behavioral interference due to high baseline PD can reflect increased tonic activity in the norepinephrine system (NE), these results might implicate high tonic NE activity in the facilitation of TUTs. Based on these findings, it is hypothesised that high tonic mode NE leads to a generalised de-amplification of task relevant information that prioritses internally generated thought and insulates it from the potentially disruptive events taking place in the external environment.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 1932-6203
Relation: https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22493672/pdf/?tool=EBI; https://doaj.org/toc/1932-6203
DOI: 10.1371/journal.pone.0033706
URL الوصول: https://doaj.org/article/761fa1fcf67541818012d5fcc1ce1801
رقم الأكسشن: edsdoj.761fa1fcf67541818012d5fcc1ce1801
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:19326203
DOI:10.1371/journal.pone.0033706