J 2020

Imagery-induced negative affect, social touch and frontal EEG power band activity

KRAUS, Jakub, Robert ROMAN, Lenka LACINOVÁ, Martin LAMOŠ, Milan BRÁZDIL et. al.

Basic information

Original name

Imagery-induced negative affect, social touch and frontal EEG power band activity

Authors

KRAUS, Jakub (703 Slovakia, belonging to the institution), Robert ROMAN (203 Czech Republic, belonging to the institution), Lenka LACINOVÁ (203 Czech Republic, guarantor, belonging to the institution), Martin LAMOŠ (203 Czech Republic, belonging to the institution), Milan BRÁZDIL (203 Czech Republic, belonging to the institution) and Mats FREDRIKSON (752 Sweden)

Edition

Scandinavian Journal of Psychology, Hoboken, Wiley, 2020, 0036-5564

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

50100 5.1 Psychology and cognitive sciences

Country of publisher

United Kingdom of Great Britain and Northern Ireland

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

Impact factor

Impact factor: 2.343

RIV identification code

RIV/00216224:14110/20:00114192

Organization unit

Faculty of Medicine

UT WoS

000541726000001

Keywords in English

Attachment; mental imagery; negative emotion; social support; theta power

Tags

International impact, Reviewed
Změněno: 3/3/2021 15:49, Mgr. Pavla Foltynová, Ph.D.

Abstract

V originále

Social touch seems to modulate emotions, but its brain correlates are poorly understood. Here, we investigated if frontal power band activity in the electroencephalogram (EEG) during aversive mental imagery is modulated by social touch from one’s romantic partner and a stranger. We observed the highest theta and beta power when imaging alone, next so when being touched by a stranger, with lowest theta and beta activity during holding hands with the loved one. Delta power was higher when being alone than with a stranger or a partner, with no difference between the two. Gamma power was highest during the stranger condition and lower both when being alone and with the partner, while alpha power did not change as a function of social touch. Theta power displayed a positive correlation with electrodermal activity supporting its relation to emotional arousal. Attachment style modulated the effect of touch on the EEG as only secure but not insecure partner bonding was associated with theta power reductions. Because theta power was sensitive to the experimental perturbations, mapped onto peripheral physiological arousal and reflected partner attachment style we suggest that frontal theta power might serve as an EEG derived bio-marker for social touch in emotionally significant dyads.

Links

GA16-03059S, research and development project
Name: Vývoj vztahů v adolescenci: Využití perspektivy citové vazby, dynamicko-systémového přístupu a metody časových řad (Acronym: VVvA)
Investor: Czech Science Foundation