Herd Instinct in Humans

Herd Instinct in Humans: The Source of Anxiety and Depression? Jeffrey Kahn has written a fascinating book (Angst: Origins of Anxiety and Depression in Oxford Press) suggesting an evolutionary source for much of human psychopathology. He gave a Grand Rounds presentation at UCLA in February of 2015 that outlined some of his theories and that presentation has been the subject …

Why Do We Procrastinate?

Procrastination may be related to impulsive decision making. This somewhat surprising finding is based on a large study of twins. Most modern explanations of procrastination have focused on avoidance and aversion. You put off things because you are afraid of some negative consequence (doing badly, not meeting your standards, etcetera), in other words, you are avoiding a bad outcome. More recent studies have suggested that …

Evolutionary Psychology and Understanding Depression

We are glad to finally have a summary of a fascinating conversation with Dr. Julio Ozores up on this site in our “Conversations” series. Dr. Ozores challenges us to think about depression in a new way. Although many of us struggle with the negative effects of depression in our lives, are (or were) there benefits to depression that have led …