Cognitive function assessed by recording of brain activity using an invasive method

Cognitive function assessed by recording of brain activity using an invasive method - Cognitive function assessed by recording of brain activity using an invasive method

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000022754

Enrollment

Registered

2016-06-16

Start date

2016-06-16

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

Epilepsy

Interventions

Participants: Patients with epilepsy implanted with chronic subdural or depth electrodes for epileptogenic focus surgery. Duration: 2 ~ 4 weeks (1~3 hours / day) Study: Measuring neural activities f

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. In a good condition after the surgery. 2. Obtained informed consent from the patient

Exclusion criteria

Exclusion criteria: 1. When the patient seems unfit to participate in the study such as restlessness and disturbance of consciousness.

Design outcomes

Primary

Measure	Time frame
The neural activities during cognitive tasks and the behavioral performances of the cognitive tasks by stimulation of the cortex will be evaluated. The evaluation will be performed before epileptogenic focus resection surgery (~4 weeks).	—

Countries

Japan

Contacts

Public ContactKensuke Kawai

Jichi Medical University Department of neurosurgery

kenkawai-tky@jichi.ac.jp0285-58-7373

Outcome results

None listed

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