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Evaluation of audio-visual integration in unilateral hearing loss

Evaluation of audio-visual integration and recalibration of auditory space in unilateral hearing loss pre and post auditory localization training using ventriloquism effect

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20220206053952N1
Enrollment
50
Registered
2022-04-11
Start date
2022-05-11
Completion date
Unknown
Last updated
2022-05-02

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

Conditions

Poor Auditory Localization( Central ). Poor Auditory Localization( Central )

Interventions

Intervention 1: Intervention group 1 (People with unilateral chronic hearing loss) Each session is called a "learning unit". Each learning unit consists of 4 sections. In the first part, for ea

Sponsors

Iran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria in the norm group: Normal hearing thresholds (based on goodman 1965) Normal middle ear function Absence of external ear l anomalies No history of ear surgery Not taking drugs that affect the CNS such as antiepileptic drugs and ... Norm vision Being right-handed No history of professional activity in music unilateral chronic hearing loss group: Presence of conductive hearing loss in the right ear, with more than 30 dB HL Hearing loss has lasted for at least 6 months Absence of external ear l anomalies Absence of cerumen and foreign body in the ear canal No history of ear surgery Not taking drugs that affect the CNS such as antiepileptic drugs and ... Normal vision Being right-handed No history of professional activity in music

Exclusion criteria

Exclusion criteria: Reluctance to continue participating in the study at any stage

Design outcomes

Primary

MeasureTime frame
Localization Improvement Ventriloquist Effect Improvement Ventriloquist After Effect Improvement. Timepoint: Before and after Intervention. Method of measurement: By Testing.

Secondary

MeasureTime frame
Auditory Localization with BBN Stimui in 12 Azimoth Auditory Localization with Low/ High / BBN Stimuli in 5 Azim. Timepoint: Before and after intervention. Method of measurement: By testing.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAhmad Geshani

Iran University of Medical Sciences

ageshani@tums.ac.ir+98 21 2225 0541

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026