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Betula - Aging, memory and dementia

Research project The Betula Project is a longitudinal study on aging, memory and dementia and has been going on for a period of over 25 years.

The main objectives of the project is to study how memory functions change during adult life and old age, to identify risk factors for dementia and to identify early preclinical signs of dementia.

Head of project

Lars Nyberg
Professor, other position

Project overview

Project period:

Start date: 1988-11-08

Research area

Public health and health care science

Project description

The project got its name from Umeå, a city in northern Sweden, where the project started in 1988. Umeå is called the city of birch trees. Betula is latin for birch tree. The participants of the project have was tested, interviewed and examined medically at six occasions (1988-1990, 1993-1995, 1998-2000, 2003-2005, 2008-2010 and 2013-2014). In 2005 the project was appointed as one of ten leading research environments in Sweden.

Betula is part of the national project NEAR (National E-infrastructure for Aging Research), www.near-aging.se

Contactperson for the Betula project is Mikael Stiernstedt.


Aim of the Betula-project, design and its general research areas.


Articles, dissertations, books and book chapters that has been written on data from Betula.

Collaboration on Betula data

Collaborations on data from the Betula-project will be available for external researchers as far as the propos...

Latest update: 2023-01-13