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Kölner Agnosie-Diagnostikum (KAD) - The development of a diagnostic tool for clinical diagnostics of visual agnosia

Kölner Agnosie-Diagnostikum (KAD) - The development of a diagnostic tool for clinical diagnostics of visual agnosia - KAD

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00011373
Enrollment
200
Registered
2016-12-14
Start date
2017-02-01
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 I63 I64

Interventions

Group 1: The Kölner Agnosie-Diagnostikum (KAD) will be implemented in a healthy sample to collect data for the calculation of normative values. The healthy sample consists of 100 participants (w=50, m
DemTect), depression and a sociodemographic questionnaire will be implemented to ensure that the results in the KAD cannot be explained by cognitive impairment or depression. Group 2: The Kölner Agn
DemTect), depression and a sociodemographic questionnaire will be implemented to ensure that the results in the KAD cannot be explained by cognitive impairment or depression.

Sponsors

AG Neuropsychologie Uniklinik Köln
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 90 Years

Inclusion criteria

Inclusion criteria: age: 18-90; female and male; German language proficiency; written declaration of consent of the participant; normal or corrected vision and normal or corrected hearing; clinical sample: patients who suffer from Parkinson’s disease (stages II-III according to Hoahn & Yahr) or who had an ischemic attack in a period of four weeks before test date

Exclusion criteria

Exclusion criteria: Impaired vision or hearing; clinically relevant depressive symptoms; current or retrospective alcohol- or drug abuse; existence of impaired cognitive functions that may influence the test results (DemTect =9)

Design outcomes

Primary

MeasureTime frame
Development of the new psychometric Kölner-Agnosie Diagnostikum (KAD). Comparison of the two samples to define the normative values. Correlation of the test results of the KAD with well-established tests for cognitive functions (MMST;DemTect), a sociodemographic questionnaire and an inventory for the diagnostics of depressive symptoms (BDI-IV). ROC-curve Analysis to determinate the sensitivity and specificity of the test.

Countries

Germany

Contacts

Public ContactJosef Kessler

AG Neuropsychologie Uniklinik Köln

josef.kessler@uk-koeln.de+49 221 478-4011

Outcome results

None listed

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