The Experience of Affective Touch in Anorexia Nervosa

Behavioural outcome associated with the experimental paradigm: participants will be asked to rate the pleasantness of the tactile stimuli after each stimulation with a score ranging from zero not pleasant at all) to 100 (extremely pleasant).

Social anhedonia will be evaluated with the Anticipatory and Consummatory Interpersonal Pleasure Scale (ACIPS, Gooding and Pflum, 2014); this is a 17-item self-report measure of individuals' tendency to look forward to interactions with others (anticipatory interpersonal pleasure - 7 items) and experienced pleasure in social interactions (consummatory interpersonal pleasure - 10 items). The ACIPS is scored on a Likert scale ranging from 1 (very false for me) to 6 (very true for me); higher scores indicate higher anticipatory and consummatory interpersonal pleasure.the assessment

The lifespan experience of affective touch in close relationships will be assessed with the Tactile Biography questionnaire (TBIO, Beltrán et al., 2020). This includes a 29-item self-report measure scored on a Likert scale ranging from 1 (e.g., not at all true for me) to 5 (e.g., extremely true) that evaluate four independent components: the frequency of and satisfaction for affective touch i) in childhood/adolescence and ii) adulthood, iii) comfort with and iv) fondness for interpersonal touch in close relationships. However, the experience of affective touch in adulthood was not included in the analyses since most of our participants did not have long experience in adult relationships since their age. Three additional items allow the recording of the feelings experienced in bodily affective interactions, the presence of negative/unpleasant experiences involving interpersonal touch and the preference for giving and/or receiving affective touch.affective touch in close relationships.