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Viewing pictures triggers rapid morphological enlargement in the human visual cortex
Stockholm University, Faculty of Social Sciences, Department of Psychology, Clinical psychology. Karolinska Institutet.
Stockholm University, Faculty of Social Sciences, Department of Psychology, Biological psychology.
Stockholm University, Faculty of Social Sciences, Department of Psychology, Biological psychology.
Stockholm University, Faculty of Social Sciences, Department of Psychology, Clinical psychology.
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Abstract [en]

Brain morphology change over the course of weeks, days, and hours, and can be detected by non-invasive structural magnetic resonance imaging. Rapid morphological changes at scanning has yet not been investigated. In a randomized within-group study, high-resolution anatomical images were acquired during passive viewing of pictures or a fixation cross. Forty-seven individuals gray matter volume and cortical thickness were investigated, and both measures 20 increased in the visual cortex while viewing pictures relative to a fixation cross. Thus, brain morphology enlargements were detected in less than 263 seconds. Neuroplasticity is a far more dynamic process than previously shown, suggesting that individuals’ current mental state affects indices of brain morphology. This needs to be taken into account in future morphology studies and in everyday clinical practice.

Keywords [en]
brain morphology, magnetic resonance imaging, neuroplasticity
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:su:diva-163286DOI: 10.1101/408658OAI: oai:DiVA.org:su-163286DiVA, id: diva2:1273052
Note

This study was supported by grants from the Marcus and Amalia Wallenberg Foundation. Funding bodies had no role in the study setup, data interpretation, or reporting.

Available from: 2018-12-20 Created: 2018-12-20 Last updated: 2018-12-20

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Månsson, Kristoffer N.T.Cortes, Diana S.Manzouri, AmirHau, StephanFischer, Håkan
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