摘要:Objectives. The purpose of the study was to examine the amount of cold exposure and factors affecting it at the population level in Finland, to determine what type of cold acclimatisation, if any, develops in urban residents in winter, and to find out whether cold acclimatisation or acclimation has a functional significance on psychological or physical performance. Tasks of low physical activity requiring attention and concentration (cognition, postural control) were assessed in cold.International Journal of Circumpolar Health 65:4 2006Keywords: cold climate, cold exposure, population, acclimatisation, acclimation, bodytemperature regulation, cognition, postural control