High-frequency oscillations in high-density scalp electroencephalography. Can physiologic and pathologic high-frequency oscillations be distinguished in the high-density scalp electroencephalography using functional paradigms?

High-frequency oscillations in high-density scalp electroencephalography. Can physiologic and pathologic high-frequency oscillations be distinguished in the high-density scalp electroencephalography using functional paradigms? - High-frequency oscillations in the high-density EEG

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00013287

Enrollment

150

Registered

2017-11-24

Start date

2018-02-26

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

G40.0 G40.1 G40.2

Interventions

Group 1: Patients with focal epilepsy will be recruited for an additional high-density EEG recordings, if not already planned for clinical routine. In addition to common EEG procedures, patients will

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: focal epilesy; able to give informed consent

Exclusion criteria

Exclusion criteria: additional progressive neurological diseases ; psychogenic seizures

Design outcomes

Primary

Measure	Time frame
Detectability of high-frequency oscillations (HFOs); Comparison between detectability in high-density scalp EEG recordings with Standard clinical EEG recordings.	—

Secondary

Measure	Time frame
Improvement of automatic HFO detection algorithsm. Evaluation of the diagnostic value by comparing high density scalp findings with HFO findings from invasive recordings and their relation to surgical outcome. Comparison between evoked physiologic and pathologic HFOs	—

Countries

Austria, Germany

Contacts

Public ContactAljoscha Thomschewski

Universitätsklinik für Neurologie, Christian-Doppler Klinik

a.thomschewski@salk.at0043 662 2420 80897

Outcome results

None listed

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