When a sea star strives to get near an urchin, the urchin moves its spines aside and lets the sea star's arm get really close. Then the pincers chomp on the sea star's tube feet. The sea star immediately backs off. However, purple sea urchins' pincers can't defend against sunflower stars. If a sunflower star approaches, an urchin waves its spines and pincers and retreats. If the urchin doesn't move away fast enough, the sunflower star swallows the urchin whole.
Interpersonal therapy: A form of psychotherapy in which the focus is on a patient's relationships with peers and family members and the way they see themselves.Interpersonal psychotherapy (IPT) is based on exploring issues in relationships with other people.nterpersonal therapy: A form of psychotherapy in which the focus is on a patient's relationships with peers and family members and the way they see themselves.
Clinicianâs Guide to Interpersonal and Social Rhythm Therapy, Frank outlines the treatment of a. new psychotherapy for bipolar disorder, Interpersonal and Social Rhythm Therapy (IPSRT). IPSRT combines Interpersonal Therapy (IPT), an established therapy for unipolar depression, and social rhythm therapy, a new form of behavior therapy that focuses on stabilization of social. rhythms such as sleep and meal times. The book begins with a chapter devoted to vignettes of patients with bipolar disorder in. different stages of the illness and at diverse levels of functioning.