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Investigating multiple streams of consciousness : using descriptive experience sampling to explore iInternally and externally directed streams of thought.

Fernyhough, Charles and Alderson-Day, Ben and Hurlburt, Russell T. and Kühn, Simone (2018) 'Investigating multiple streams of consciousness : using descriptive experience sampling to explore iInternally and externally directed streams of thought.', Frontiers in human neuroscience., 12 . p. 494.

Abstract

Research into resting-state cognition has often struggled with the challenge of assessing inner experience in the resting state. We employed Descriptive Experience Sampling (DES), a method aimed at generating detailed and high-fidelity descriptions of experience, to investigate how experience in the resting state can vary between internal, external, and multiple simultaneous streams. Using a large body of experiential and brain activation data acquired from five DES participants, independent raters classified sampled moments of experience according to whether they were internally directed, externally directed, or contained elements of both at the same time. In line with existing models, comparison of internal with external experience samples identified a network of regions associated with the default mode network. Regions of interest resulting from the whole-brain contrasts successfully predicted independent raters’ forced-choice categorizations of samples for which experience had a simultaneous internal and external focus. The present study is distinctive in tying neural activations in the resting state to detailed descriptions of specific phenomenology, and in demonstrating how the DES method enables a particularly nuanced analysis of moments of experience, especially their ability simultaneously to incorporate both an internal and an external focus. The study represents an integration of rich phenomenology and characterizations of brain activity, tracing interpretive paths from phenomenology to neural activation and vice versa.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.3389/fnhum.2018.00494
Publisher statement:Copyright © 2018 Fernyhough, Alderson-Day, Hurlburt and Kühn. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Date accepted:22 November 2018
Date deposited:03 January 2019
Date of first online publication:06 December 2018
Date first made open access:03 January 2019

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