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Psychosis Learning Center
- Schizophrenia
- Bipolar Disorder
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Degenerative Brain Disorder
- adverse effects of ...
- Severe Major Depres...
- Dementia
- Stroke
- Epilepsy
- Alcoholism
- Alzheimer's Disease
- Delirium
- Brain Tumors
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Schizophrenia is the most chronic and disabling of the severe mental disorders, associated with abnormalities of brain structure and function, disorganized speech and behavior, delusions , and hallucinations . It is sometimes called a psychotic di...
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Schizophrenia is a mental disorder that makes it difficult to tell the difference between real and unreal experiences, to think logically, to have normal emotional responses, and to behave normally in social situations.
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Schizophrenia is a psychotic disorder (or a group of disorders) marked by severely impaired thinking, emotions, and behaviors. Schizophrenic persons are typically unable to filter sensory stimuli and may have enhanced perceptions of sounds, colors...
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Schizophrenia is a collection of related psychiatric disorders of unknown etiology that follow a specific pattern of behavior. Typical behavior seen in schizophrenia includes psychotic episodes in which there is a severe mental disturbance and per...
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Schizophrenia is a psychotic disorder (or a group of disorders) marked by severely impaired thinking, emotions, and behaviors. Schizophrenic patients are typically unable to filter sensory stimuli and may have enhanced perceptions of sounds, color...
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Schizophrenia is a psychotic disorder (or a group of disorders) marked by severely impaired thinking, emotions, and behaviors. Schizophrenic patients are typically unable to filter sensory stimuli and may have enhanced perceptions of sounds, color...
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Schizophrenia is a mental illness characterized by disordered thinking, delusions, hallucinations, emotional disturbance, and withdrawal from reality.
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Schizophrenia is a psychotic disorder (or a group of disorders) marked by severely impaired thinking, emotions, and behaviors. Schizophrenic patients are typically unable to filter sensory stimuli and may have enhanced perceptions of sounds, color...
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A mental illness characterized by disordered thinking, delusions, hallucinations, emotional disturbance, and withdrawal from reality. Some experts view schizophrenia as a group of related illnesses with similar characteristics. The condition affec...
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Schizophrenia is a psychotic disorder (or group of disorders) marked by severely impaired thinking, emotions, and behaviors. The term schizophrenia comes from two Greek words that mean "split mind." It was coined around 1908 by a Swiss doctor name...
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Schizophrenia, often misunderstood as split personality, is a chronic mental illness characterized by psychosis, or loss of reality testing. It is a heterogeneous disease in its presentation, course, effect on functioning, response to treatment, a...
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Bipolar, or manic-depressive, disorder is a mood disorder that causes radical emotional changes and mood swings, from manic highs to depressive lows. The majority of bipolar individuals experience alternating episodes of mania (an elevated or euph...
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Bipolar disorder involves periods of excitability (mania) alternating with periods of depression. The "mood swings" between mania and depression can be very abrupt.
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Bipolar, or manic-depressive disorder, is a mood disorder that causes radical emotional changes and mood swings, from manic highs to depressive lows. The majority of bipolar individuals experience alternating episodes of mania and depression .
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Bipolar, or manic-depressive disorder, is a mood disorder that causes radical emotional changes and mood swings, from manic highs to depressive lows. The majority of bipolar individuals experience alternating episodes of mania and depression. The ...
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Bipolar disorder is characterized by severe and unusual changes in energy level, mood, and interactions with others. The mood swings associated with bipolar disorder are unpredictable, and range from mania (elevated or irritable mood) to depressio...
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Bipolar disorder is characterized by mood swings, which are unpredictable and range from mania (elevated and irritable mood) to depression (a mood characterized by loss of interest and sadness). The disorder causes significant difficulties or impa...
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Bipolar, or manic-depressive disorder, is a mood disorder that causes radical emotional changes and mood swings, from manic highs to depressive lows. The majority of bipolar individuals experience alternating episodes of mania and depression.
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Bipolar, or manic-depressive disorder, is a mood disorder that causes radical emotional changes and mood swings, from manic highs to depressive lows. The majority of bipolar individuals experience alternating episodes of mania and depression.
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Bipolar disorders is the name given to a group of mental disorders characterized by extreme fluctuations in mood. People diagnosed with bipolar disorders experience moods ranging from deepest depression to mania, often with periods of less extreme...
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A mixed episode is a discrete period during which a person experiences nearly daily fluctuations in mood that qualify for diagnoses of manic episode and major depressive episode. Over the course of at least one week, the mood of a person experienc...
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A condition (also called manic depression) characterized by extreme mood swings that alternate between depression and mania (a state of exaggerated elation and euphoria). According to the National Institutes of Mental Health (NIMH), bipolar disord...
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Drug interactions are changes in the effect of one drug due to the effect of either another drug taken at the same time (drug-drug interactions) or food consumed while the drug is being taken (drug-food interactions).
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Drug allergies are a group of symptoms caused by allergic reaction to a drug (medication.
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A drug allergy is an adverse reaction to a medication, often an antibiotic, that is mediated by the body's immune system. A drug sensitivity is an unusual reaction to a drug that does not involve the immune system.
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Drug metabolism is the process by which the body breaks down and converts medication into active chemical substances.
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Major depression with psychotic features is a condition in which a person experiences depression along with reduced contact with reality (psychosis. This can take the form of false beliefs (delusions) or seeing or hearing something that isn't real...
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Dementia is a loss of brain function that occurs with certain diseases. It affects memory, thinking, language, judgment, and behavior. See also: Alzheimer's disease
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Dementia is a loss of brain function that occurs with certain diseases. It affects memory, thinking, and behavior. See also: Dementia; Alzheimer disease.
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Dementia is not a specific disorder or disease. It is a syndrome (group of symptoms) associated with a progressive loss of memory and other intellectual functions that is serious enough to interfere with performing the tasks of daily life. Dementi...
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Dementia is a condition characterized by a progressive, irreversible decline in mental ability, accompanied by changes in behavior and personality. There is commonly a loss of memory and skills that are required to carry out activities of daily li...
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The term dementia refers to symptoms, including changes in memory, personality, and behavior, that result from a change in the functioning of the brain. These declining changes are severe enough to impair the ability of a person to perform a funct...
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Dementia is a condition characterized by a chronic decline in cognitive functions contrasted with a person's usual state of functioning. It is seen most often in people sixty-five years and older, and the incidence increases with age. Dementia occ...
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Dementia is a loss of mental ability severe enough to interfere with normal activities of daily living, lasting more than six months, not present since birth, and not associated with a loss or alteration of consciousness.
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Dementia is not a specific disorder or disease. It is a syndrome (group of symptoms) associated with a progressive loss of memory and other intellectual functions that is serious enough to interfere with the tasks of daily life. Dementia can occur...
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Dementia is not a specific disorder or disease. It is a syndrome (group of symptoms) associated with a progressive loss of memory and other intellectual functions that is serious enough to interfere with the tasks of daily life. Dementia can occur...
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Dementia is a loss of mental ability severe enough to interfere with normal activities of daily living, lasting more than six months, not present since birth, and not associated with a loss or alteration of consciousness.
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The following Clinical Topic Tour provides an overview of stroke and was adapted from materials published by the National Institute of Neurological Disorders and Stroke and the Centers for Disease Control and Prevention.
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A stroke is the sudden death of brain cells in a localized area due to inadequate blood flow.
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A stroke is an interruption of the blood supply to any part of the brain. A stroke is sometimes called a "brain attack." See also: Arteriovenous malformation (AVM)
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Stroke is an increasing public health concern throughout the world as the leading cause of long-term disability. There is estimated to be over 3.5 million survivors of stroke in the United States.
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A stroke is an interruption of blood circulation to the brain causing a neurologic deficit reflecting the area of the brain affected. Stroke can be ischemic or hemorrhagic. 1 Ischemic stroke is most prevalent.
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A stroke is the sudden death of brain cells in a localized area due to inadequate blood flow.
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A stroke is an interruption of the blood supply to any part of the brain. A stroke is sometimes called a "brain attack." There are two major types of stroke: ischemic stroke and hemorrhagic stroke. When a blood vessel that supplies blood to the br...
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There are various clinical and pathological subtypes of stroke, and identification of the subtype is necessary for correct management. Investigations Imaging Brain imaging should be performed within the first 48 hours of the onset of stroke (see below), to determine whether the stroke is haemorrhagic or ischaemic and to exclude other causes (e.g. tumour).
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Stroke, or cerebrovascular accident (CVA), is the third leading cause of death (after heart disease and cancer) in the United States and the industrialized countries of the world. The term "stroke," which comes from subjects being suddenly "struck...
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A stroke is an interruption of the blood supply to any part of the brain. Stroke is the leading cause of disability among adults in the United States. It is the country's third leading cause of death. This article discusses recovery from stroke. H...
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Cerebrovascular accident (CVA) is the medical term for what is commonly termed a stroke. It refers to the injury to the brain that occurs when flow of blood to brain tissue is interrupted by a clogged or ruptured artery, causing brain tissue to di...
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A stroke, also called a cerebral infarction, is a life-threatening condition marked by a sudden disruption in the blood supply to the brain.
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A stroke, also called a cerebral vascular accident (CVA), is the sudden death of cells in a specific area of the brain due to inadequate blood flow.
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Stroke is the common name for the injury to the brain that occurs when the flow of blood to brain tissue is interrupted by a clogged or burst artery. Arterial blood carries oxygen and nutrition to the cells of the body. When arteries are unable to...
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Epilepsy is a condition characterized by recurrent seizures that may include repetitive muscle jerking called convulsions. A seizure is a sudden disruption of the brain's normal electrical activity accompanied by altered consciousness and/or other...
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Epilepsy is a brain disorder involving repeated, spontaneous seizures of any type. Seizures ("fits," convulsions) are episodes of disturbed brain function that cause changes in attention or behavior. They are caused by abnormally excited electrica...
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A seizure is a sudden disruption of the brain's normal electrical activity accompanied by altered consciousness and/or other neurological and behavioral manifestations. Epilepsy is a disorder of the brain characterized by recurrent seizures that m...
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Epilepsy is a chronic (persistent) disorder of the nervous system. The primary symptoms of this disease are periodic or recurring seizures that are triggered by sudden episodes of abnormal electrical activity in the brain. The term "seizure" refer...
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Epilepsy is a chronic (persistent) disorder of the nervous system. The primary symptoms of this disease are periodic or recurring seizures that are triggered by sudden episodes of abnormal electrical activity in the brain. The term "seizure" refer...
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A seizure is a sudden disruption of the brain's normal electrical activity accompanied by an alteration in consciousness or other neurological and behavioral manifestations. Epilepsy is a condition characterized by recurrent seizures that may incl...
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Temporal lobe epilepsy (TLE) is a term that refers to a condition where seizures are generated in the portion of the brain called the temporal lobe. Either the right or the left temporal lobe can be involved, and in rare cases both temporal lobes ...
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A seizure is a sudden disruption of the brain's normal electrical activity accompanied by altered consciousness and/or other neurological and behavioral manifestations. Epilepsy is a condition characterized by recurrent seizures that may include r...
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A condition affecting people regardless of age, sex, or race, where a pattern of recurring malfunctioning of the brain is present. Epilepsy, from the Greek word for seizure, is a recurrent demonstration of a brain malfunction. The outward signs of...
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The words "epilepsy" and "epileptic" are of Greek origin and have the same root as the verb "epilambanein," which means "to seize" or "to attack." Therefore, epilepsy means seizure, while epileptic means seized. In the modern understanding of epil...
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Alcoholism is the layman's term for alcohol dependence and alcohol abuse. According to the Diagnostic and Statistical Manual of Mental Disorders , published by the American Psychiatric Association and commonly called the DSM-IV, the essential feat...
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Alcoholism is drinking alcoholic beverages at a level that interferes with physical health, mental health, and social, family, or job responsibilities.
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Term encompassing alcohol use, alcohol consumption, alcohol problems, problem drinking, and alcohol dependence. The concept of alcoholism, in its most general sense, refers to a disease, or disorder, typically characterized by: (a) a prolonged per...
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Alcoholism is a chronic physical, psychological, and behavioral disorder characterized by excessive use of alcoholic beverages; emotional and physical dependence on them; increased tolerance over time of the effects of alcohol; and withdrawal symp...
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Alcoholism is a chronic physical, psychological, and behavioral disorder characterized by excessive use of alcoholic beverages; emotional and physical dependence on them; increased tolerance over time of the effects of alcohol; and withdrawal symp...
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The essential feature of alcohol abuse is the maladaptive use of alcohol with recurrent and significant adverse consequences related to its repeated use. Alcoholism is the popular term for two disorders, alcohol abuse and alcohol dependence. The h...
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Alcoholism, or alcohol dependence, is described in the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) as "A maladaptive pattern of alcohol use, leading to clinically significant impairment or distress." That maladaptive pattern is ...
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Alcoholism is the popular term for alcohol abuse and alcohol dependence. The hallmarks of both of these disorders involve repeated life problems that can be directly tied to a person's abuse of alcohol. Alcoholism has serious consequences, affecti...
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Alzheimer's disease (AD) is the most common form of dementia , a neurologic disease characterized by loss of mental ability severe enough to interfere with normal activities of daily living, lasting at least six months, and not present from birth....
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Dementia is a loss of brain function that occurs with certain diseases. Alzheimer's disease (AD), is one form of dementia that gradually gets worse over time. It affects memory, thinking, and behavior. Memory impairment, as well as problems with l...
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Alzheimer's disease (AD) is the most common form of dementia , a neurologic disease characterized by a progressive loss of mental ability severe enough to interfere with normal activities of daily living, lasting at least six months, and not prese...
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Alzheimer disease is a neurological disorder characterized by slow, progressive memory loss due to a gradual loss of brain cells. Alzheimer disease significantly affects cognitive (thought) capabilities and, eventually, affected individuals become...
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Alzheimer's disease (AD) is the most common form of dementia , a neurologic disease characterized by loss of mental ability severe enough to interfere with normal activities of daily living, lasting at least six months, and not present from birth....
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Alzheimer's disease, or AD, is a progressive, incurable disease of the brain caused by the degeneration and eventual death of neurons (nerve cells) in several areas of the brain.
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Alzheimer disease is a form of dementia caused by the destruction of brain cells. Dementia is the loss, usually progressive, of cognitive and intellectual functions. Alzheimer type dementia can be characterized by initial short-term memory loss, w...
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Alzheimer disease is a form of dementia caused by the destruction of brain cells. Dementia is the loss, usually progressive, of cognitive and intellectual functions. Alzheimer type dementia can be characterized by initial short-term memory loss, w...
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Alzheimer's disease is a neurodegenerative disorder characterized by loss of memory along with other cognitive changes, including aphasia (language impairment), apraxia (difficulty carrying out motor activities despite intact motor function), and ...
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Delirium is sudden severe confusion and rapid changes in brain function that occur with physical or mental illness.
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Delirium is a state of mental confusion that develops quickly and usually fluctuates in intensity.
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Delirium is a transient, abrupt, usually reversible syndrome characterized by a disturbance that impairs consciousness, cognition (ability to think), and perception.
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Delirium is a medical condition characterized by a vascillating general disorientation, which is accompanied by cognitive impairment, mood shift, self-awareness, and inability to attend (the inability to focus and maintain attention). The change o...
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A brain tumor is an abnormal growth of tissue in the brain. Unlike other tumors, brain tumors spread by local extension and rarely metastasize (spread) outside the brain. A benign brain tumor is composed of non-cancerous cells and does not metasta...
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A primary brain tumor is a group (mass) of abnormal cells that start in the brain. This article focuses on primary brain tumors in adults. See also: Brain tumor - metastatic (cancer that has spread to the brain from elsewhere in the body; Brain tu...
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A brain tumor is an abnormal growth of tissue, either malignant (cancerous) or benign (noncancerous), in the brain. Each year, more than 17,000 brain tumors are diagnosed in the United States.
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