Rubber Hand Illusion in Anorexia Nervosa

Rubber Hand Illusion in Anorexia Nervosa: the Role of Hand Dimensions and Physical Appearance

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT06296329

Acronym

RHI_size_AN

Enrollment

Registered

2024-03-06

Start date

2023-04-01

Completion date

2024-03-30

Last updated

2025-08-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anorexia Nervosa

Keywords

bodily illusion, body representation

Brief summary

The present research project aims to verify a possible difference in the recalibration of the real hand position (i.e. proprioceptive drift) in relation to the dimensions of the plastic hand in the Rubber Hand Illusion, among a group of female participants with anorexia nervosa compared with a normal weight control group.

Interventions

OTHERRubber Hand Illusion

The traditional behavioural illusion of the Rubber Hand will be applied

Study design

Observational model

CASE_CONTROL

Time perspective

CROSS_SECTIONAL

Eligibility

Sex/Gender

FEMALE

Age

20 Years to 50 Years

Healthy volunteers

Yes

Inclusion criteria

* Right-handed * diagnosis of Anorexia Nervosa according to the APA criteria

Exclusion criteria

• concurrent neurological, neurodevelopmental (e.g., autism), motor, somatosensory and/or psychiatric disorders.

Design outcomes

Primary

Measure	Time frame	Description
Proprioceptive drift in centimeters	baseline	the recalibration of the real hand position towards the rubber hand

Secondary

Measure	Time frame	Description
Score at the Embodiment questionnaires	Baseline	the score relative to the questionnaire measuring the individual experience towards the illusion. The higher is the score, the higher is the sense of illusion explicitely reported by participants.

Countries

Italy

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026