A) OCD pаtients hаve excessive оbsessiоns аnd/оr compulsions. In this context, what are obsessions? (1 pt) B) Give an example of a common type of obsession in OCD. (1 pt) C) What are compulsions? (1 pt) D) Give an example of a common type of compulsion. (1 pt) E) Aberrant activity in a cortico-striato-thalamo-cortical (CSTC) circuit is thought to underlie OCD. What are the two primary cortical areas involved in this circuit? (2 pts) F) These cortical areas have several related functions in “normal” brain operation. Describe one of these functions. (2 pts) G) Brain imaging has demonstrated heightened activity in the striatum in OCD patients. Explain how we think this excessive activity in the striatum can contribute to OCD symptoms. (2 pts)