Dissociative identity disorder is a psychiatric diagnosis and describes a condition in which a person displays multiple distinct identities or personalities (known as alter egos or alters), each with its own pattern of perceiving and interacting with the environment. Each sub personality or alternate personalities have a unique set of memories, behaviors, thoughts and emotions related to each specific personality. In the International Statistical Classification [...]
Dissociative disorders are defined as conditions that involve disruptions or breakdowns of memory, awareness, identity and/or perception. Disorders in this Category Psychogenic Amnesia Fugue State Dissociative Identity (Multiple Personality) Disorder Depersonalization Disorder
Major depression significantly affects a person’s family and personal relationships, work or school life, sleeping and eating habits, and general health. Its impact on functioning and well-being has been equated to that of chronic medical conditions such as diabetes. A person having a major depressive episode usually exhibits a very low mood, which pervades all aspects of life, and [...]
Narcolepsy is a chronic sleep disorder, or dyssomnia, characterized by an excessive urge to sleep at inappropriate times, such as while at work. They also usually experience disturbed nocturnal sleep and an abnormal daytime sleep pattern, which is often confused with insomnia. When a narcoleptic falls asleep they generally experience the REM stage of sleep within 10 minutes; whereas most people do [...]
Hypersomnia is a disorder characterized by excessive amounts of sleepiness. There are two main categories of hypersomnia: primary hypersomnia (also called idiopathic hypersomnia) and recurrent hypersomnia (also called primary recurrent hypersomnia). Both have the same symptoms but differ in how often they occur. Those who suffer from hypersomnia have recurring episodes of excessive daytime sleepiness (EDS) which is different from feeling tired due [...]
Parasomnias are a category of sleep disorders that involve abnormal and unnatural movements, behaviors, emotions, perceptions, and dreams that occur while falling asleep, sleeping, between sleep stages, or during arousal from sleep. Most parasomnias are dissociated sleep states which are partial arousals during the transitions between wakefulness and NREM sleep, or wakefulness and REM sleep. Parasomnias Nightmare Disorder Night terror Sleepwalking [...]
Nightmare disorder, or dream anxiety disorder, is a sleep disorder characterized by frequent nightmares. The nightmares, which often portray the individual in a situation that jeopardizes their life or personal safety, usually occur during the second half of the sleeping process, called the REM stage. Though such nightmares occur within many people, those with nightmare disorder experience them with a [...]
A sleep disorder, or somnipathy, is a medical disorder of the sleep patterns of a person or animal. Some sleep disorders are serious enough to interfere with normal physical, mental and emotional functioning. A test commonly ordered for some sleep disorders is the polysomnography. Disruptions in sleep can be caused by a variety of issues, from teeth grinding (bruxism) to night [...]
Dyspareunia is painful sexual intercourse, due to medical or psychological causes. The symptom is reported almost exclusively by women, although the problem can also occur in men. The causes are often reversible, even when long-standing, but self-perpetuating pain is a factor after the original cause has been removed. It is a common condition that affects up to one-fifth [...]
Folie à deux is a psychiatric syndrome in which symptoms of a delusional belief are projected from one individual to another. The same syndrome shared by more than two people may be called folie à trois, folie à quatre, folie en famille or even folie à plusieurs (“madness of many”). Recent psychiatric classifications refer to the syndrome as shared psychotic disorder (DSM-IV) (297.3) and induced delusional disorder (F.24) in the ICD-10, [...]
Schizophreniform disorder is a mental disorder diagnosed when symptoms of schizophrenia are present for a significant portion of the time within a one-month period, but signs of disruption are not present for the full six months required for the diagnosis of schizophrenia. The symptoms of both disorders can include delusions, hallucinations, disorganized speech, disorganized or catatonic behavior, and social withdrawal. While impairment in social, occupational, [...]
Schizophrenia is a mental disorder characterized by a disintegration of thought processes and of emotional responsiveness. It most commonly manifests itself as auditory hallucinations, paranoid or bizarre delusions, or disorganized speech and thinking, and it is accompanied by significant social or occupational dysfunction. The onset of symptoms typically occurs in young adulthood, with a global lifetime prevalence of about 0.3–0.7%.Diagnosis is based on observed [...]
Schizoaffective disorder is a psychiatric diagnosis that describes a mental disorder characterized by recurring episodes of elevated or depressed mood, or of simultaneously elevated and depressed mood, that alternate with, or occur together with, distortions in perception. Schizoaffective disorder most commonly affects cognition and emotion. Auditory hallucinations, paranoia, bizarre delusions, or disorganized speech and thinking with significant social and occupational dysfunction are typical. The division into depressive and [...]
Delusional disorder is an uncommon psychiatric condition in which patients present with circumscribed symptoms of non-bizarre delusions, but with the absence of prominent hallucinations and no thought disorder, mood disorder, or significant flattening of affect. For the diagnosis to be made, auditory and visual hallucinations cannot be prominent, though olfactory or tactile hallucinations related to the content of the [...]
Psychosis means abnormal condition of the mind, and is a generic psychiatric term for a mental state often described as involving a “loss of contact with reality”. People suffering from psychosis are described as psychotic. Psychosis is given to the more severe forms of psychiatric disorder, during which hallucinations anddelusions and impaired insight may occur. Some professionals say that the term psychosis is not sufficient as some [...]
Sleepwalking, also known as somnambulism, is a sleep disorder belonging to the parasomnia family. Sleepwalkers arise from the slow wave sleep stage in a state of low consciousness and perform activities that are usually performed during a state of full consciousness. These activities can be as benign as sitting up in bed, walking to the bathroom, and cleaning, or as hazardous as cooking, [...]
A night terror, also known as a sleep terror or pavor nocturnus, is a parasomnia disorder that predominantly affects children, causing feelings of terror or dread. Night terrors should not be confused with nightmares, which are bad dreams that cause the feeling of horror or fear. An estimated 1-6% of children have at least one night terror in their life but have no [...]
Transvestic fetishism is having a sexual or erotic interest in cross-dressing. It differs from cross-dressing for entertainment or other purposes that do not involve sexual arousal and is categorized as a paraphilia in the Diagnostic and Statistical Manual of the American Psychiatric Association. (Sexual arousal in response to donning sex-typical clothing is homeovestism.) Transvestic fetishism refers specifically to cross-dressing; sexual arousal in [...]
Sadomasochism broadly refers to the receiving of pleasure—often sexual—from acts involving the infliction or reception of pain or humiliation. The name originates from two authors on the subject, Marquis de Sade and Leopold von Sacher-Masoch. A subset of BDSM, practitioners of sadomasochism usually seek out sexual gratification from these acts, but often seek out other forms of pleasure as well. While the terms [...]
As a medical diagnosis, pedophilia (or paedophilia) is defined as a psychiatric disorder in adults or late adolescents (persons age 16 or older) typically characterized by a primary or exclusive sexual interest in prepubescent children (generally age 13 years or younger, though onset of puberty may vary). The child must be at least five years younger in the case of adolescent pedophiles (16 or [...]
