Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
60 participants
OBSERVATIONAL
2021-10-13
2024-10-01
Brief Summary
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Detailed Description
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Conditions
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Study Design
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CASE_CONTROL
CROSS_SECTIONAL
Study Groups
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Cases
Right-handed women diagnosed with obesity will be consecutively recruited during their rehabilitative treatment at the Istituto Auxologico Italiano, IRCCS, San Giuseppe Hospital (Italy). Concurrent neurological, neurodevelopmental (e.g., autism), motor, somatosensory and/or psychiatric disorders will be exclusion criteria, as well as the evidence of any skin-related condition possibly affecting sensitivity on the participants' forearm (e.g., eczema, scars)
Affective touch paradigm
Affective touch paradigm: experimental stimuli will include the touch of a soft cosmetic, a hand, which will be both expected to resemble affective pleasant stimulations, and a plastic stick with a rounded tip, as a control (non-affective) condition. Two speeds of stimulation will be adopted i) slow affective stimuli delivered at 3 cm/s and fast non-affective stimuli, delivered at non-optimal speed (18 cm/s). An imagery version of the task will be also administered: blindfolded participants will be asked to image the touches on their left forearm. After each (actual or imagined) tactile stimulus, individuals will rate the experience level of pleasantness. As part of the protocol, they will fill out two psychological questionnaires, assessing the level of social anhedonia and the amount and characteristics of the lifespan experiences of affective touch inclose relationships.
Controls
Age-matched, right-handed, healthy women (i.e., with no history of eating disorders) will be recruited outside the hospital through personal contacts of the researchers and word-of-mouth.
Affective touch paradigm
Affective touch paradigm: experimental stimuli will include the touch of a soft cosmetic, a hand, which will be both expected to resemble affective pleasant stimulations, and a plastic stick with a rounded tip, as a control (non-affective) condition. Two speeds of stimulation will be adopted i) slow affective stimuli delivered at 3 cm/s and fast non-affective stimuli, delivered at non-optimal speed (18 cm/s). An imagery version of the task will be also administered: blindfolded participants will be asked to image the touches on their left forearm. After each (actual or imagined) tactile stimulus, individuals will rate the experience level of pleasantness. As part of the protocol, they will fill out two psychological questionnaires, assessing the level of social anhedonia and the amount and characteristics of the lifespan experiences of affective touch inclose relationships.
Interventions
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Affective touch paradigm
Affective touch paradigm: experimental stimuli will include the touch of a soft cosmetic, a hand, which will be both expected to resemble affective pleasant stimulations, and a plastic stick with a rounded tip, as a control (non-affective) condition. Two speeds of stimulation will be adopted i) slow affective stimuli delivered at 3 cm/s and fast non-affective stimuli, delivered at non-optimal speed (18 cm/s). An imagery version of the task will be also administered: blindfolded participants will be asked to image the touches on their left forearm. After each (actual or imagined) tactile stimulus, individuals will rate the experience level of pleasantness. As part of the protocol, they will fill out two psychological questionnaires, assessing the level of social anhedonia and the amount and characteristics of the lifespan experiences of affective touch inclose relationships.
Eligibility Criteria
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Inclusion Criteria
* diagnosis of obesity (i.e., the level of body mass index (BMI( greater than or equal to 30).
Exclusion Criteria
* Evidence of any skin-related condition possibly affecting sensitivity on the participants' forearm (e.g., eczema, scars).
18 Years
50 Years
FEMALE
Yes
Sponsors
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Istituto Auxologico Italiano
OTHER
Responsible Party
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Locations
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IRCCS Istituto Auxologico Italiano - Ospedale San Giuseppe
Piancavallo, VCO, Italy
Countries
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Other Identifiers
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21C128
Identifier Type: -
Identifier Source: org_study_id
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