read more, antipsychotics Antipsychotic drugs Schizophrenia is a mental disorder characterized by loss of contact with reality (psychosis), hallucinations (usually, hearing voices), firmly held false beliefs (delusions), abnormal thinking. Several types of drugs can be used to treat depression: Selective serotonin reuptake inhibitors. read more, antidepressants Drug Treatment for Depression Agomelatine, a new type of antidepressant, is a possible treatment for major depressive episodes. Many people have unusual sensations just before a seizure. read more : Drugs intended to affect brain function (including antiseizure drugs Antiseizure drugs In seizure disorders, the brain's electrical activity is periodically disturbed, resulting in some degree of temporary brain dysfunction. Because all drugs can harm as well as help, safety is relative. Side effects Drug Effectiveness and Safety The main goals of drug development are demonstrating the effectiveness and safety of the drug. Ketamine is available in powder and liquid form. read more (such as LSD), and phencyclidine Ketamine and Phencyclidine (PCP) Ketamine and phencyclidine are chemically similar drugs used for anesthesia but are sometimes used recreationally. Hallucinogens distort and intensify sensations, but the actual effects are variable and unpredictable. read more, hallucinogens Hallucinogens Hallucinogens are a class of drugs that cause profound distortions in people's perceptions. Cocaine is a strong stimulant that increases alertness, causes euphoria, and makes people feel powerful. read more, cocaine Cocaine Cocaine is an addictive stimulant drug made from leaves of the coca plant. Amphetamines increase alertness, enhance physical performance, and produce euphoria. read more (when consumed in large amounts), amphetamines Amphetamines Amphetamines are stimulant drugs that are used to treat certain medical conditions but are also subject to abuse. Consuming large amounts rapidly or regularly can cause health problems, including organ damage, coma. Intoxication: Particularly alcohol Alcohol Use Alcohol (ethanol) is a depressant (it slows down brain and nervous system functioning). read more ) that is caused by a brain disorder such as stroke. Speech may be jerky, staccato, breathy, irregular, imprecise, or monotonous, but people can understand language and use it correctly. read more ) or forming words ( dysarthria Dysarthria Dysarthria is loss of the ability to articulate words normally. It results from damage to the areas of the brain that control language. This type of speech differs from the difficulty expressing or understanding language ( aphasia Aphasia Aphasia is partial or complete loss of the ability to express or understand spoken or written language. Answers may be illogical or completely incoherent. In other cases, people respond to simple questions with long, rambling answers, full of irrelevant detail. The topics may be slightly related or entirely unrelated. For example, people may jump from one topic to another without ever finishing a thought. Disorganized speech refers to speech that does not contain the expected logical connections between thoughts or between questions and answers.
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