Domestic horses sometimes engage in stereotyped behaviors (a repetitive movement that appears to have no purpose or function.) In horses, these behaviors may include cribbing, pawing, head shaking, ...

The Mayo Clinic defines obsessive-compulsive disorder (OCD) as: “Unreasonable thoughts and fears (obsessions) that lead you to do repetitive behaviors (compulsions).” OCD is a form of anxiety disorder ...

Dear Readers: I have a 12-year-old spayed female cat, who, over the last year, has started licking me incessantly. These are not short love licks, they are grooming licks that hurt, and she doesn't ...

Compulsive behavioral traits can be associated with uncertainty about the future results of one's own actions. This is the ...

A new study revealed that certain brain regions are more active in people with obsessive-compulsive disorder (OCD) during cognitively demanding tasks. The findings could help inform new ways in which ...

Of course, the most visible characteristic of addiction is obsessive- compulsive behavior, the topic of this week's column. Just for fun, I checked out the definition of "obsessive-compulsive" on ...

When I was 10 years old, my grandmother handed me a stack of letters that she was about to throw away and commented: "Richard, some folks collect these old stamps." I noticed the stamps looked nothing ...

Is compulsive behavior common in people with Alzheimer’s or dementia? When someone is diagnosed with Alzheimer’s disease or dementia, many aspects of his or her life are forced to change and will ...

Researchers at Karolinska Institutet in Sweden have identified a brain circuit that can drive repetitive and compulsive behaviours in mice, even when natural rewards such as food or social contact are ...