UK Biobank An open access scientific resource
Cognitive assessment in UK Biobank
Test
Baseline
N
(Clinic)
Numbers according to follow-up duration
5 year re-
assessment
(Clinic)
7 year
(2014)
(Web)
Biennial
(9, 11, etc.)
(Web)
8-14 year
Imaging
(Clinic)
Reaction time 452,000 20,000 120,000 ? 100,000
Episodic memory 452,000 20,000 120,000 ? 100,000
Fluid intelligence 115,000 20,000 120,000 ? -Fluid intelligence 115,000 20,000 120,000 ? -
Working memory 115,000 20,000 120,000 ? 100,000
Trail making - - 120,000 ? 100,000
Digit-symbol substitution - - 120,000 ? 100,000
NIH crystallised IQ (vocab) - - - - 100,000
Nonverbal reasoning (matrix) - - - ? 100,000
Verbal declarative memory - - - ? 100,000
Self report cognitive problems ? 100,000
Other enhancements
• Built environment
• HKU
• Environmental pollution
• Imperial College London• Imperial College London
• Dementias Platform UK
• University of Oxford