Answer:
Mood disorder ⇒ Bipolar disorder.
Mood disorder is a type of mental illness that targets the mood of the affected. Bipolar disorder is one such disorder and involves a person swinging from being depressed to being manically happy.
Personality disorder ⇒ Borderline personality disorder.
Personality disorders like Borderline Personality Disorder affect a person by causing mood swings or unhealthy social behaviour which leads to failed or unstable relationships.
Anxiety disorder ⇒ Obsessive compulsive disorder (OCD).
Anxiety disorder causes extreme anxiety and worry such that a person might feel like having to perform certain activities repeatedly to remove the anxiety and feel safer. OCD is one such disorder.
Dissociative disorder ⇒ Amnesia.
Dissociative disorders like Amnesia manifest themselves by depriving the affected of a connection between their various thoughts and actions such that they do not know how one action or behavior continued to another.
