Cognitive Function and Obesity: Does Your BMI Link to Your IQ?

In addition to the well-known impact on risk for disorders such as diabetes and reduced life-expectancy, the effects of obesity may extend to psychological function. The so-called obesity epidemic may be causing decline in cognitive function through direct and indirect impacts on brain functioning. An expanding waistline thus appears to link to decreasing ability to learn and remember.

Obesity and memory

Mapping Connections in the Human Brain

The first high-resolution structural connection map of the human cerebral cortex was published earlier this month in the journal PLoS Biology. The study reveals regions that are highly connected and central, forming a structural core network [1]. Intriguingly, this core network consists of many areas that are more active when we’re at rest than when we’re engaged in a task that requires concentration.