An anxiety disorder in which recurrent thoughts and repetitive acts dominate behavior
Delusions of persecution or grandear or combination of the two
Recurrent intense sexual urge, fantasy, or behavior that involves unusual objects, activities, or situations
Lifelong personality patterns marked by inflexibility and impairment of social functioning.
Irrational or disabling fear of an object or situation
Anxiety related symptoms appear following exposure to personal experience of a traumatic event
Impairment of mental capacity to recognize reality, communicate, and relate to others
Defense mechanism by which unacceptable thoughts, feelings, and impulses are pushed into the unconscious
Disorders of paraphilias and sexual dysfunction
Withdrawal from reality into an inner world of disorganized thinking and conflict.
Having physical symptoms that cannot be explained by any actual physical disorder
Regular use of psychoactive substances (alcohol, cocaine amphetamines, cannabis, hallucinogens, opioids, and sedatives) that affect the central nervous system
Internalized conscience and moral part of the personality
Seasonal affective (SAD)
Form of depression that appears related to fluctuations in persons exposure to natural light
Chemical present in gastrointestinal mucosa, platelets, that affects sleep and sensory perception
Characterized by spasmodic muscular contractions most commonly involving the face, mouth, eyes, head, neck, or shoulder muscles. People with tic disorders make sounds or display repeated, quick, sudden, and/or uncontrollable body movements.
Peripheral Nervous System
Consists of both sensory nervous tissue and motor nervous tissue
Central Nervous System
Consists of the brain and spinal cord, both encased in bone.
Detect changes that occur inside and outside the body and convey them to the brain.