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Affective touch awareness in mental health and disease relates to autistic traits - An explorative neurophysiological investigation
Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för neuro- och inflammationsvetenskap. Linköpings universitet, Medicinska fakulteten. Technical University of Dresden, Germany.
Linköpings universitet, Institutionen för klinisk och experimentell medicin. Linköpings universitet, Medicinska fakulteten. Linköpings universitet, Centrum för social och affektiv neurovetenskap (CSAN).
Laureate Institute Brain Research, OK USA.
Technical University of Dresden, Germany.
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2016 (Engelska)Ingår i: Psychiatry Research, ISSN 0165-1781, E-ISSN 1872-7123, Vol. 245, s. 491-496Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Affective touch is important for social interaction within families and groups and there is evidence that unmyelinated C tactile fibers are involved in this process. Individuals with autism spectrum disorders show alterations in the perception and processing of affective touch. sThus, we hypothesized that affective touch awareness based on C tactile fiber activation is impaired in individuals with high levels of autistic trait. The pleasantness perception of optimal and suboptimal C tactile stimuli was tested in an explorative study in 70 patients recruited from an outpatient psychotherapy clinic and 69 healthy comparison subjects. All participants completed questionnaires about autistic traits, depressive symptomatology, childhood maltreatment, and about the daily amount of touch. Relative to comparison subjects, patients reported engaging in touch less frequently in daily life and rated touch less pleasant. Reduced valence ratings of touch were explained by childhood maltreatment but not by any particular disorder or depression severity. Among all tested variables, the affective touch awareness correlated with autistic traits only - in patients as well as in comparison subjects. Taken together, individuals with mental health issues have a lower baseline of expression and reception of affective touch. Autistic traits and childhood maltreatment modulate the experience of affective touch. (C) 2016 Elsevier Ireland Ltd. All rights reserved.

Ort, förlag, år, upplaga, sidor
ELSEVIER IRELAND LTD , 2016. Vol. 245, s. 491-496
Nyckelord [en]
Autism; Touch; Social; C-tactile; Relationship; Childhood maltreatment
Nationell ämneskategori
Psykiatri
Identifikatorer
URN: urn:nbn:se:liu:diva-132830DOI: 10.1016/j.psychres.2016.09.011ISI: 000386741600071PubMedID: 27639880OAI: oai:DiVA.org:liu-132830DiVA, id: diva2:1052467
Anmärkning

Funding Agencies|Marcus och Amalia Wallenbergs Minnesfond [MAW 2014.000]

Tillgänglig från: 2016-12-06 Skapad: 2016-11-30 Senast uppdaterad: 2018-03-22

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Croy, IlonaOlausson, Håkan
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Avdelningen för neuro- och inflammationsvetenskapMedicinska fakultetenInstitutionen för klinisk och experimentell medicinCentrum för social och affektiv neurovetenskap (CSAN)
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