What are the forms of biological abnormal behaviours?

There are many different forms of abnormal behaviour. Some of the most common ones include:

Anxiety disorders: Characterized by excessive fear, worry, and/or anxiety.
Mood disorders: Characterized by abnormal changes in mood, such as depression or mania.
Psychotic disorders: Disorders that involve a loss of contact with reality, such as hallucinations or delusions.
Personality disorders: Disorders characterized by persistent and inflexible personality traits that cause distress or impairment in functioning.