Obsessive thinking: persistent and repeated intrusive thoughts that cause pain to the individual and are difficult to eliminate and control.

Obsessive behaviors: responses to obsessive thoughts

strong emotional reaction

Will try to use compulsive behaviors to fight and control obsessive thoughts

lack or loss of insight

Women>men, young people are twice as likely as old people

Major depressive disorder, generalized anxiety disorder, agoraphobia, panic disorder, social anxiety disorder, specific phobia, substance use disorder

Male children often have tic disorders

Often comorbid with Cluster C personality disorder

Believe that you have an apparent flaw when in fact it does not exist

The above thoughts are often intrusive and difficult to control

Prolonged difficulty in letting go of items or being separated from belongings

1/3 of individuals hoard animals

Patients think it is very necessary to collect

The patient collects items for a long time, resulting in a cluttered living environment

Scratching one's own skin repeatedly

Spend a lot of time scratching

Repeatedly pulling out hair on one's body

The frequency of hair plucking varies every day

Wear makeup and wigs to cover up

Adopt specific hair plucking methods