Comparison of Unified Transdiagnostic Treatment and Acceptance and Commitment Therapy in Patients with Functional Seizures

Comparing Unified Transdiagnostic Intervention with Acceptance and Commitment Therapy on Sensory Processing Sensitivity, Interpretive Bias, and Experiential Avoidance among Individuals with Functional Seizures

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20251124068098N1

Enrollment

Registered

2026-05-19

Start date

2026-06-22

Completion date

Unknown

Last updated

2026-06-01

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

Conditions

Functional Seizure Disorder. Conversion disorder with seizures or convulsions

Interventions

Intervention 1: Intervention group: Participants in this group will receive Unified Transdiagnostic Intervention in 12 weekly 60 minute group sessions. The intervention includes psychoeducation about

Eligibility

Sex/Gender

All

Age

18 Years to 55 Years

Inclusion criteria

Inclusion criteria: Diagnosis of functional seizure disorder by a psychiatrist or neurologist Age between 18 and 55 years Stable medication regimen during the past three months Ability to read and write Persian Providing informed consent for participation

Exclusion criteria

Exclusion criteria: Severe psychotic disorders Presence of severe neurological disorders Inability to participate regularly in treatment sessions Changes in psychiatric medications during the study

Design outcomes

Primary

Measure	Time frame
Sensory processing sensitivity score in individuals with functional seizures. Timepoint: Before the intervention, immediately after completion of the intervention, and three months after the intervention. Method of measurement: Aron and Aron Sensory Processing Sensitivity Questionnaire.;Interpretive bias score in individuals with functional seizures. Timepoint: Before the intervention, immediately after completion of the intervention, and three months after the intervention. Method of measurement: Ambiguous Scenarios Test for Depression.;Experiential avoidance score in individuals with functional seizures. Timepoint: Before the intervention, immediately after completion of the intervention, and three months after the intervention. Method of measurement: Multidimensional Experiential Avoidance Questionnaire.	—

Measure

Time frame

Sensory processing sensitivity score in individuals with functional seizures. Timepoint: Before the intervention, immediately after completion of the intervention, and three months after the intervention. Method of measurement: Aron and Aron Sensory Processing Sensitivity Questionnaire.;Interpretive bias score in individuals with functional seizures. Timepoint: Before the intervention, immediately after completion of the intervention, and three months after the intervention. Method of measurement: Ambiguous Scenarios Test for Depression.;Experiential avoidance score in individuals with functional seizures. Timepoint: Before the intervention, immediately after completion of the intervention, and three months after the intervention. Method of measurement: Multidimensional Experiential Avoidance Questionnaire.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactSomayeh Tajfar

Islamic Azad University

somayeh.tajfar@iau.ir+98 41 3385 5349

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Jun 11, 2026