Optimisation, differentiation and specification of experimental paradigms for measuring synaptic plasticity in the visual cortex (OptiVep)

Optimisation, differentiation and specification of experimental paradigms for measuring synaptic plasticity in the visual cortex (OptiVep) - OptiVEP

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00034184

Enrollment

Registered

2025-07-08

Start date

2024-08-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

no diseases investigated

Interventions

Group 1: Measurement of visual evoked potentials using EEG before and after a modulation phase (sub-study 1 & 2)

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: No intake of psychotropic substances (medications, drugs) at least 2 weeks prior to each measurement; No clinically significant mental health disorders currently or in the past history; Beck's Depression Inventory (BDI) sum = 14; No neurological disorders; Informed consent.

Exclusion criteria

Exclusion criteria: none

Design outcomes

Primary

Measure	Time frame
Changes in VEP-components	—

Secondary

Measure	Time frame
Biological plasticity markers in the blood (BDNF expression/BDNF promoter methylation)	—

Countries

Germany

Contacts

Public ContactClaus Normann

Universitätsklinikum Freiburg

claus.normann@uniklinik-freiburg.de076127065340

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Aug 10, 2026