Vascular Functions and Brain Integrity in Midlife: Effects of Obesity and Metabolic Syndrome

Figure 1

Schematic representation of the 2-back verbal working memory task. During this task, consecutive screens with letters on them appear on a computer screen for 0.5 s. The participant is allowed for 2.5 s to make a response using a finger press. In the control (0-back) condition, the participant is asked to decide if the letter on the screen is the letter H. During the experimental (2-back) condition, the participant is asked to decide if the letter on the screen is the same as the letter that appeared 2 letters before, thus engaging the working memory system.