Weill Medical College of Cornell University
Department of Psychiatry

Agoraphobia--fear of having a panic attack (intense and overwhelming anxiety) in a place where there is no one who can help you and you cannot easily escape.  This fear often keeps people from leaving home or traveling.

Anorexia nervosa--an illness in which a person cannot maintain normal weight, is very afraid of gaining weight, sees oneself as heavy or fat even though the person is significantly underweight, and refuses to eat enough to maintain a normal body weight.

Anxiety disorder--one in a group of illnesses in which the most important symptom is anxiety.  This group includes Obsessive-Compulsive Disorder, Panic Disorder, Posttraumatic Stress Disorder, Social Phobia and Specific Phobia.

Attention-deficit hyperactivity disorder (ADHD)--an illness in which children, teens or adults cannot pay attention, sit quietly, remember instructions, wait for a turn or keep from speaking out when it's not time to speak.

Avoidant personality disorder--a persistent and rigid pattern of avoiding social situations, low self-esteem, fear of criticism, fear of being foolish, and fear of embarrassment.

Bipolar disorder--another term for manic-depression, an illness in which there are cycles of depression and mania.

Borderline personality disorder-- a persistent and rigid pattern of losing control of feelings and impulses, and extreme instability in relationships and self-image.  Behaviors often include rage, self-mutilation, suicide attempts or threats, and intense, stormy relationships.

Bulimia nervosa--an illness in which there is frequent binge-eating (that is, eating large amounts of high-calorie food in a short period of time).  The binges are followed by attempts to make up for eating so much by vomiting, using diuretics or laxatives, strict dieting, fasting or vigorous exercise.

Dementia--a brain disorder where there is loss of memory and other important functions of the brain (for example, the ability to speak, the ability to recognize ordinary things, the ability to plan or organize).

Dependent personality disorder--a personality problem in which a person is unable to cope because of extreme lack of self-confidence, a wish to have others assume responsibility for one's life, and consistently putting the needs of another person before one's own needs.

Depression--an illness in which there is a long-lasting mood of sadness, despair or discouragement in which a person has trouble functioning at home, at work or at school.  Symptoms may include slowed thinking, lack of pleasure, guilt, hopelessness, and problems with eating and sleeping.

Dissociative disorders--illnesses that involve dissociation (splitting off of groups of mental processes from consciousness), for example, amnesia, or multiple personality disorder.

Eating disorder--severe trouble with eating behaviors.  Examples are anorexia and bulimia.

Factitious disorders (Munchausen)--an illness in which there are physical or psychological symptoms that are intentionally produced in order to assume the sick role.

Generalized anxiety disorder (GAD)--an illness in which a person has unrealistic or excessive anxiety about one or more problems.

Insomnia--trouble falling asleep or staying asleep.

Mood disorders--psychiatric illnesses in which the most important symptoms are problems with mood.

Narcissistic personality disorder--a psychiatric problem in which a person behaves consistently with an exaggerated sense of self-importance and specialness, uses other people, and lacks genuine feelings for other people.  People with this disorder often lack self-esteem and need excessive admiration from others.

Obsessive-compulsive (OCD)--one of the anxiety disorders in which a person has obsessions (insistent thoughts, impulses or images that cannot be dismissed) and/or compulsions (persistent urges to perform a ritual, such as hand-washing or checking things)

Obsessive-compulsive personality disorder--a persistent preoccupation with orderliness, perfectionism, and mental and interpersonal control, at the expense of flexibility, openness, and efficiency.

Oppositional defiant disorder--a childhood disorder in which there is uncontrollably negative and hostile behavior.

Panic disorder--an illness in which a person has panic attacks (sudden episodes of intense and overwhelming anxiety)

Paranoia--suspiciousness caused by misinterpretation of actual events

Pervasive development disorder (PDD)--one of several disorders that begin in infancy, childhood or adolescence, causing severe and pervasive problems in several areas:  social interaction, communication, or the presence of stereotyped behavior, interest and activities.  Includes autism and Asperger's Disorder.

Posstraumatic stress disorder (PTSD)--an anxiety disorder in which living through an overwhelming mental or physical stress is followed by persistent symptoms of reexperiencing the event in the person's mind, avoiding things that remind the person of the event, numbness, and severe anxiety or irritability.

Psychotic disorders--psychiatric disorders that causes loss of touch with reality

Schizoaffective disorder--a disorder in which there are problems both with psychotic symptoms and with mood symptoms (mania or depression).

In schizoaffective disorder there must be a period of time in which psychotic symptoms are experienced with an abnormal mood.

Schizophrenia--a disorder that includes psychotic symptoms such as delusions and hallucinations which interfere with one's ability to function.

Seasonal affective disorder--a disorder in which mood is strongly affected by the season of the year.

Sleep apnea--a sleep disorder in which a person gets very poor quality sleep because he or she stops breathing repeatedly during the night, causing the person to repeatedly wake up gasping for air.

Sleep disorders--disorders in which people have problems with sleep

Social phobia--a disorder in which a person experiences severe and overwhelming fear of all social situations or of specific social situations, e.g. eating in public or using a public bathroom.

Specific phobia -- an illness in which there is extreme fear caused by a specific object or situation, e.g. spiders, dogs, high places, closed-in places.  This happens even though the person knows the fear is excessive or unreasonable.

Substance abuse -- using a substance (usually a street drug) excessively, even when it hurts relationships with other people, prevents doing well at work or school, ruins a person's health or creates trouble with the law.

Substance dependence -- addiction; needing to use a substance (usually a street drug) so much that if the substance is stopped abruptly, there are dangerous physical symptoms, like fever, shaking, sweating, or seizures.  Needing to use the substance/drug so much that it keeps a person from working, going to school, having good relationships and obeying the law.

Substance related disorders -- a group of illnesses including problems with substance (usually street drugs) abuse and dependence.

 

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