Maastricht Aging Study

on the determinants of adult cognitive development


Martin van Boxtel, MD PhD


Project Leader

Associate Professor


Frans Verhey, MD PhD


Division Leader MHeNs

Professor in Old Age Psychiatry



Sebastian Köhler, PhD


Associate Professor

Senior Statistician / Epidemiologist




Kay Deckers, PhD


Associate Professor / Epidemiologist




Astrid Quist


Project Coordinator




Joost Tan


Data Manager / Statistician





Department of Psychiatry & Neuropsychology

Faculty of Health, Medicine & Life Sciences

Maastricht University [DRT10]

P.O. Box 616

6200 MD Maastricht

The Netherlands



Visiting Address


Alzheimer Centre Limburg

Dr. Tanslaan 10 [Maastro Clinic]

3rd Floor - East

Maastricht Randwijck

Inge Verheggen, MSc


PhD student



Fleur Aarts, MSc


Project assistant



Ron Mengelers


Database Manager




Nico Rozendaal (retired)


Former MAAS Database Manager &

Greatest data wrangler of all times



© 2020  The Maastricht Aging Study - MAAS

MAAS  is a longitudinal study into the determinants

of cognitive aging. It has been ongoing  since 1991.

A new measurement has started  in September 2019.