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CompletedNCT06688916ClinicalTrials.gov record

A Comprehensive Assessment of Altered Embodiment in Individuals With Spinal Cord Injury

Spinal Cord Injuries (SCI)

THE QUICK READ

What this study involves

The registry does not currently label this study as recruiting. Ask about its status before planning a screening visit.

Study type
Observational
Phase
Not applicable / not listed
Age range
18 years - 65 years
Sex eligible
All sexes
Healthy volunteers
Accepted
Participants
80 Actual

These are starting points, not an eligibility decision. The research team must review the full requirements.

About the research

Spinal cord injury (SCI) occurs when trauma or other factors damage the spinal cord, disrupting the flow of sensory information from the body to the brain. This interruption can interfere with embodiment-the body awareness and physical sensations processed by the brain-sometimes leading to a phenomenon called disembodiment.

For people with SCI, disembodiment may appear as unusual body sensations, like feeling that a limb is in a different position than it actually is. Such changes in body awareness can impact daily life, mental health, and rehabilitation outcomes.

Despite its importance, the study of embodiment in SCI remains limited. This project aims to explore how SCI alters embodiment, focusing on its specific characteristics, the effects on daily life, and the underlying brain activity as measured by functional magnetic resonance imaging (fMRI). Both people with and without SCI will participate.

Procedure: Participants will complete a single examination lasting 2 to 2.5 hours, including approximately 55 minutes in the MRI scanner (with preparation and follow-up).

Who may be able to participate?

The list below is the sponsor’s full registry wording. It can include conditions, prior treatment, test results and other requirements. A match in search does not mean you qualify.

Inclusion Criteria for all participants:

  • Age between 18 and 60
  • Normal or corrected-to-normal visual acuity
  • German or Italian native speaker

Additional Inclusion Criteria only for individuals with SCI:

  • Diagnosis of traumatic spinal cord injury
  • Lesion level below T1 (first thoracic vertebra)
  • Time since injury \>= 12 months
  • Residual sensation on the upper leg (sensory capability of 1 or higher on at least one leg in the dermatomes L2 and L3 for both light touch and pin prick).

Exclusion Criteria for all participants:

  • Pregnancy or breastfeeding
  • Diagnosis of other psychiatric or neurological disorders (e.g. epilepsy, tumor in the central nervous system)
  • Confirmed diagnosis of alcohol and/or drug abuse with active consumption within the last 6 months
  • Confirmed diagnosis of traumatic brain injury, intended as visible changes in the brain diagnosed by a radiologist
  • Stroke
  • Inability to perform study procedures (e.g. inability to consent)

Additional Exclusion Criteria for both HC and SCI undergoing the fMRI procedure:

  • Active medical devices (e.g. cardiac pacemaker)
  • Inability to perform study procedures (e.g. claustrophobia)

Study population

Individuals with spinal cord injury and healthy controls.

Understand screening

Treatment, groups and participation

The registry may describe treatments and study duration without a complete visit calendar. Ask the study team for the exact schedule, procedures, risks, costs and alternatives. Keep your usual care plan unless your treating clinician tells you otherwise.

Assignment
Not reported
Masking
Not reported
Individuals with SCI - Behavioral assessment

15 individuals with SCI will perform a comprehensive behavioral assessment of embodiment (see "Interventions"). A clinical assessment of sensory-motor symptoms will also be carried out.

Behavioral: Behavioral assessment

Individuals with SCI - Behavioral assessment and fMRI

25 individuals with SCI will perform a comprehensive behavioral assessment of embodiment and neural correlates of embodiment will be explored by means of an fMRI procedure (see "Interventions"). A clinical assessment of sensory-motor symptoms will also be carried out.

Behavioral: Behavioral assessment · Behavioral: Functional Magnetic Resonance Imaging (fMRI)

Healthy controls - Behavioral assessment

15 healthy controls will perform a comprehensive behavioral assessment of embodiment (see "Interventions").

Behavioral: Behavioral assessment

Healthy controls - Behavioral assessment and fMRI

25 individuals with SCI will perform a comprehensive behavioral assessment of embodiment and neural correlates of embodiment will be explored by means of an fMRI procedure (see "Interventions").

Behavioral: Behavioral assessment · Behavioral: Functional Magnetic Resonance Imaging (fMRI)

Behavioral assessment BEHAVIORAL

A comprehensive behavioral assessment of embodiment and its effect on daily living, taking into account pain, interoception, emotions and anxiety, sleep quality, life satsfaction and cognition.

Functional Magnetic Resonance Imaging (fMRI) BEHAVIORAL

Neural mechanisms of embodiments will be explored with MRI sequences including structural MRI, resting-state and task-based fMRI of the head.

The task will be a modified version of the rubber hand illusion, previously used to asess embodiment. Participants will be required to lay in the MRI with their legs bended upright and a screen placed at the level of their hips, which will show a pair of legs. The participant's leg will be stroked with a paintbrush while the image on the screen will be showing the virtual legs being stroked. Participants will be required to report how strongly they perceive the virtual legs as their own, as a measure of embodiment.

Prepare your questions

What researchers are measuring

Outcome measures describe what is being studied. They are not proof that a treatment works.

Primary measures

Score on the Body Feelings and Illusions questionnaire (BoFI)

Time frame: Baseline

A questionnaires that assess different dimensions of embodiment and disembodiment.

Secondary measures

Brain activity

Time frame: Baseline

Brain activity defined as changes in oxygen levels in the blood during the execution of the embodiment task, and at rest.

Strenght of the embodiment illusion

Time frame: Baseline

Strenght of the embodiment illusion during the fMRI procedures, measured through a Likert scale.

Qualitative assessment of embodiment

Time frame: Baseline

Qualitative assessment of the experience of embodiment by means of a semi-structured interview.

Score on the WHO Disability Assessment Scale (WHODAS-II)

Time frame: Baseline

A scale that assesses activity limitation and participation restriction in the daily life due to disability.

Pain severity

Time frame: Baseline

Intensity of pain measured on a visual analogue scale.

Score on the Positive and Negative Affect Schedule (PANAS)

Time frame: Baseline

A scale which measures positive and negative sensations over the course of the last week.

Anxiety score on the Hospital Anxiety and Depression Scale (HADS)

Time frame: Baseline

A scale the assesses the presence and the intensity of anxiety and depressive symptoms.

Depression score on the Hospital Anxiety and Depression Scale (HADS)

Time frame: Baseline

A scale the assesses the presence and the intensity of anxiety and depressive symptoms.

Score on the Pittsburgh Sleep Quality Index

Time frame: Baseline

A questionnaire assessing the quality of sleep.

Score on the Multidimensional Assessment of Interoceptive Awareness (MAIA)

Time frame: Baseline

A questionnaire assessing interoceptive awarness.

Score on the Inclusion of Others in the Self test (IOS)

Time frame: Baseline

A questionnaire assessing the relationship of the individual self with other entities (e.g., the body, the famiy, the society).

Score on the Montreal Cognitive Assessment (MoCA)

Time frame: Baseline

A test assessing cognitive functions such as memory, attention, language, and executive functions.

Score on the Satisfaction with Life Scale (SLS)

Time frame: Baseline

A scale assessing satisfaction in life.

Motor symptoms severity

Time frame: Baseline

Motor symptoms severity (from level A to E) based on the International Standards for Neurological Classification of spinal cord injury (ISNCSCI)

Demographics

Time frame: Baseline

Demographic information such as age, sex and education level, as well as time since injury.

No results are flagged as posted.

Review the complete result tables and limitations in the official record.

Open official results ↗

Research locations (1)

The overall study status and a local site’s status can differ. Confirm that location’s availability before traveling.

1 locations

Swiss Paraplegic ResearchNottwil, Canton of Lucerne, SwitzerlandStatus unknown

Study team and timeline

Lead sponsor
Swiss Paraplegic Research, Nottwil
Study start
Jun 4, 2025 Actual
Primary completion
Jul 30, 2026 Actual
Study completion
Jul 31, 2026 Actual
First posted
Nov 14, 2024 Actual
Last updated
Nov 10, 2026 Actual

Official study contacts

No central contact is listed. Check the locations and the official record.

Official study title

A Comprehensive Assessment of Altered Embodiment in Individuals With Spinal Cord Injury

A HUMAN NEXT STEP

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Source: ClinicalTrials.gov API v2. Information is submitted by sponsors and investigators. NLM does not approve the safety or science of all listed studies. Registry disclaimer.

Retrieved: Nov 12, 2026 · Last registry update: Nov 10, 2026