Neurophysiological study of cognitive and adaptive control between young, elderly and Parkinson's patients using the numerical Stroop test

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00023020

Enrollment

Registered

2020-11-12

Start date

2020-11-22

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

G20.9

Interventions

Group 1: Young subjects (20-30 years) absolve the numerical stroop test Group 2: Old Subjects (50-75 years) absolve the numerical stroop test Group 3: Parkinson's disease subjects (50-75 years) absolv

Eligibility

Sex/Gender

All

Age

20 Years to 75 Years

Inclusion criteria

Inclusion criteria: The following criteria are applied to the group of Parkinson's patients: inclusion criteria: a. Diagnosed Parkinson's disease according to the Brain Bank clinical diagnostic criteria b. Right-handed person c. Age between 50 -75 years d. Fluent German speaker The following criteria are applied to the group of older test persons: Inclusion criteria: a. Right-handed person b. Age between 50 -75 years (matched to the Parkinson patients) c. Fluent German speaker d. Mini-Mental Status >/= 26 The following criteria are applied to the group of young test persons: Inclusion criteria: e. Right-handed person f. Age between 20 -30 years g. Fluent German speaker

Exclusion criteria

Exclusion criteria: The following criteria are applied to the group of Parkinson's patients: Exclusion criteria: a. Implanted neurostimulation, cochlear implant, or other implanted metal in the cranium b. Epilepsy c. Caffeine or alcohol consumption before the experiment d. bedriddenness or severe physical impairment, so that it is not possible to appear at the test site e. Not capable of reconnaissance The following criteria are applied to the group of older test persons: Exclusion criteria: a. Implanted neurostimulation, cochlear implant, or other implanted metal in the cranium b. No neurological, mental, or endocrinological disease c. Caffeine or alcohol consumption before the experiment d. bedriddenness or severe physical impairment, so that it is not possible to appear at the test site e. Not capable of reconnaissance The following criteria are applied to the group of young test persons: Exclusion criteria: f. Implanted neurostimulation, cochlear implant, or other implanted metal in the cranium g. No neurological, mental, or endocrinological disease h. Caffeine or alcohol consumption before the experiment i. bedriddenness or severe physical impairment, so that it is not possible to appear at the test site j. Not capable of reconnaissance

Design outcomes

Primary

Measure	Time frame
reaction time (Stroop effect)	—

Secondary

Measure	Time frame
number of errors	—

Countries

Germany

Contacts

Public ContactKarsten Witt

Universitätsklinik für Neurologie, Evangelisches Krankenhaus Oldenburg

karsten.witt@uni-oldenburg.de0441/ 236-0

Outcome results

None listed

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