Give your Intellect a Spring clean

Our cognitive ability is not fixed. Scores on intelligence tests vary depending on the circumstances at the time of testing – how tired you are, how well nourished, how anxious you are. These are not the only factors that make a difference. Andrew Lim and colleagues at Toronto University carried out tests on 3000 ‘older’ participants at different times of the year to assess cognitive functioning, measuring thinking and concentration skills, as well as physiological tests to look for early signs of Alzheimer’s disease. The outcome was that people who tested in Summer and early Autumn obtained significantly higher scores, … Continue reading Give your Intellect a Spring clean