A preliminary study on Acoustic Change Complex and Sound Localization in normal adult and child

A study on the ability of sound source localization and speech ability of normal people and deaf patients after the intervention of auxiliary hearing equipment

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000034506

Enrollment

Unknown

Registered

2020-07-07

Start date

2020-08-01

Completion date

Unknown

Last updated

2020-07-13

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

Conditions

Hearing Loss/ Sound Localization

Interventions

Normal Young People:Nil

Eligibility

Sex/Gender

All

Age

1 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Normal hearing adults, PTA <= 25dB; 2. Normal hearing children, PTA <= 15dB HL; 3. Normal external auditory canal and tympanic membrane; 4. Be able to cooperate with the experiment.

Exclusion criteria

Exclusion criteria: 1. Active ear diseases; 2. Serious cervical spondylopathy, unable to turn head normally; 3. Subjects with cognitive impairment.

Design outcomes

Primary

Measure	Time frame
Acoustic Change Complex;Minimum Audible Angle;Root Mean Square;	—

Countries

China

Contacts

Public ContactZhang Juan

Beijing Chao-Yang Hospital, Capital Medical University

chinayudian@sina.com+86 15810636610

Outcome results

None listed

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