Tactile and Pain Sensory Thresholds and Hand Grip Strength

Sultan 1. Murat State Hospital

Status

Enrolling

Conditions

Specific Learning Disorder, With Impairment in Written Expression

Sensation Diminished, Pinprick

Pain

Treatments

Other: Treatment outcome

Study type

Observational

Funder types

Other

Identifiers

NCT07533409

25/2/2026-Number:02/09 (Registry Identifier)

Details and patient eligibility

About

The aim of this study was to compare fingertip tactile sensation, hand and finger grip strength, and hand pain thresholds in children diagnosed with specific learning disorder with impairment in written expression and healthy controls.

Enrollment

66 estimated patients

Sex

All

Ages

6 to 12 years old

Volunteers

Accepts Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria for specific learning disorder with impairment in written expression:

Diagnosis of specific learning disorder with impairment in written expression according to the DSM-5 diagnostic criteria
Age between 6 and 12 years
Clinically normal intellectual functioning
Voluntary agreement to participate in the study
Absence of any systemic disease
Right-hand dominance

Inclusion Criteria for control:

Age between 6 and 12 years
Clinically normal intellectual functioning
Willingness to participate in the study on a voluntary basis
Absence of any systemic disease
Right-hand dominance

Exclusion Criteria for specific learning disorder with impairment in written expression:

Presence of verbal or visual communication problems
History of perinatal complications or physical head trauma
Presence of psychiatric disorders other than specific learning disorder according to the DSM-5 diagnostic criteria
History of known chronic physical or neurological disease (such as cerebral palsy, diabetes, epilepsy, autoimmune disease, liver failure, or kidney failure)
Presence of substance or alcohol use disorder
Diagnosis of a genetic disorder
Previous surgery involving the hand region
Presence of infection and/or sensory deficit in the hand region

Exclusion Criteria for control:

Presence of any psychiatric disorder according to the DSM-5 diagnostic criteria
Presence of verbal or visual communication problems
History of perinatal complications or physical head trauma
History of known chronic physical or neurological disease (such as cerebral palsy, diabetes, epilepsy, autoimmune disease, liver failure, or kidney failure)
Presence of substance or alcohol use disorder
Diagnosis of a genetic disorder
Previous surgery involving the hand region
Presence of infection and/or sensory deficit in the hand region