The RT-PROFILE Test is a reaction time and vigilance test you can run on an ordinary PC.
The RT-PROFILE Test is especially suitable for testing subjects suspected of cognitive slowing and/or arousal instability for example in connection with renewal of a driving licence. The RT-PROFILE Test may also serve as an first rough indicator of a general cognitive impairment. It takes less than 10 minutes including the necessary instruction to the examinee. The test outcome is automatically related to the performance of a representative sample of the general population 30 to 60 years old (N=1,026).
Since 1982 the RT-PROFILE Test has been included in our main product: The Cognitive Function Scanner, a state-of-the-art computer-aided neuropsychological test system for diagnosing impairment of various brain functions. Cognitive Function Scanner systems (see elsewhere on this website) and RT-Profile systems are currently used by a substantial number of university hospitals and district hospitals all over Scandinavia.
Compared to the reaction time test included with the complete Cognitive Function Scanner system the RT-PROFILE Test features an extended parameterization supplying the best available basis for the evaluation of vigilance, a function essential e.g. for the decision whether a person should be granted renewal of his or her driving (see below).
Below is a sample of a typical RT-PROFILE Test output page. It includes three sections:
You may download this page in pdf-format in order to print it in a high resolution.
You are welcome to read more about the standardisation and validation of the RT-PROFILE Test in two supplements to the scientific journal Acta Neurologica Scandinavica (both by Peter Laursen; the complete references are given below).
Bruhn P, Parsons OA. Continuous reaction time in brain damage.
Cortex 1971; 7: 278-291.
Gamberale F, Iregren A, Kjellberg A. SPES: The computerized Swedish Performance Evaluation System. Background, critical issues, empirical data, and a user's manual. Solna: National Institute of Occupational Health, 1989, 77p.
Laursen P. A computer-aided technique for testing cognitive functions validated on a sample of Danes 30 to 60 years of age. Acta Neurologica Scandinavica 1990; 82: Suppl. 131, 108p.
Laursen P. The impact of aging on cognitive functions. An 11 year follow-up study of four age cohorts. Acta Neurologica Scandinavica 1997; 96: Suppl 172, 86p.
Laursen P, Sams T. Establishing a statistically based rejection point in a vigilance test conducted in relation to renewal of driving license based on a large scale study of the general population. Invited speech given at 7th Nordic Meeting in Neuropsychology, Oslo 23-26 August 2001.
Lezak MD. Neuropsychological Assessment. New York: Oxford University Press, 1983, 768p.
Warm JS. Sustained Attention in Human Performance. Chichester: John Wiley & Sons, 1984, 352p.