Effects of Expectations on Hypoalgesia Produced by Mental Practice

Universidad Autonoma de Madrid

Status: Unknown

Conditions: Cognitive Change

Treatments: Behavioral: Neutral Expectations (during intervention); Behavioral: Experimental: Negative Expectations (during intervention); Behavioral: Positive Expectations (during intervention); Behavioral: Negative Expectations (initial); Behavioral: Positive Expectations (initial); Behavioral: Neutral Expectations (initial)

Study type: Interventional

Funder types: Other

Identifiers

NCT04621162

uammadrid100

Details and patient eligibility

About

The main objective of this research work is to evaluate and quantify the hypoalgesia generated by motor imagery influenced by the presence of expectations.

Enrollment: 90 estimated patients

Sex: All

Ages: 18 to 65 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Age between 18 and 60
• Healthy and with no pain subjects

Exclusion criteria

• Any cognitive impairment that hindered viewing of audiovisual material.
• Difficulty understanding or communicating.
• Presence of systemic pathology, Central Nervous System or rheumatic disease.
• Inadequate understanding of the Spanish language to follow instructions for measuring and treatment.
• Collaboration of pregnant women.
• Underage subjects
• Subjects with pain at the time of the study.

Trial design

Primary purpose: Basic Science

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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90 participants in 6 patient groups, including a placebo group

Positive Expectations (initial)

Experimental group

Treatment:

Behavioral: Positive Expectations (initial)

Negative Expectations (initial)

Experimental group

Treatment:

Behavioral: Negative Expectations (initial)

Neutral Expectations (initial)

Placebo Comparator group

Treatment:

Behavioral: Neutral Expectations (initial)

Positive Expectations (during intervention)

Experimental group

Treatment:

Behavioral: Positive Expectations (during intervention)

Negative Expectations (during intervention)

Experimental group

Treatment:

Behavioral: Experimental: Negative Expectations (during intervention)

Neutral Expectations (during intervention)

Placebo Comparator group

Treatment:

Behavioral: Neutral Expectations (during intervention)