Study on establishment of normal data of auditory evoked field in response to click stimulation

Study on establishment of normal data of auditory evoked field in response to click stimulation - auditory evoked field in response to click stimulation

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000031479

Enrollment

Registered

2018-02-26

Start date

2018-03-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

normal subjects

Interventions

measurements of auditory evoked fields

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Normal subjects with Performance state 0 (2) 20 <= age < 40

Exclusion criteria

Exclusion criteria: (1) Persons who have a history of peripheral or central nervous disease (2) Persons who have a history of ear diseases (3) Persons who have a history of mental illness (4) Persons wearing cardiac pacemakers and/or implantable defibrillators (5) Persons with metals in the body (cerebral aneurysm clips, bolts and plates after fracture treatment, orthodontic treatment, within 1 month after hair dyeing, tattoo etc.) (6) Claustrophobia and/or Nyctophobia (7) Possible ppregnabcey (8) Persons with extreme myopia (9) Those who are wearing clothing for cold weather using new materials (for example, Heat Tech etc.) (10) Other persons who who have judged that they are inappropriate as subjects

Design outcomes

Primary

Measure	Time frame
Amplitude ratio of auditory evoked field P50m (P50m sensory gating)	—

Secondary

Measure	Time frame
Amplitude of auditory steady state responses measured with auditory evoked field (masking level difference)	—

Countries

Japan

Contacts

Public ContactTetsuaki Kawase

Tohoku University Graduate School of Biomedical Engineering

kawase@orl.med.tohoku.ac.jp022-717-7303

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026