PPT-Tea Talk, 15/1/15 Dopamine and schizophrenia

a psychiatric disorder falling within the scope of psychotic illnesses meaning that the patient at some point develops symptoms that lead them to misinterpret reality Picchioni amp Murray . UNIT 4: PSYA4. lcb@beauchamp.org.uk. . Topic Content. In relation to their chosen disorder:. Schizophrenia. Depression. Phobic disorders. OCD.  . Candidates should be familiar with the following:. Clinical characteristics of the chosen disorder.. The function of neurotransmitters. What is this?. What does it do?. Where are the neurotransmitters?. Can you name any neurotransmitters?. Lets remind ourselves how neurotransmitters work. Lets remind ourselves how neurotransmitters work. Ms. . Carmelitano. Acetylcholine. First Neurotransmitter to be identified and most common in the human body. Function: . Helps control muscle contraction. Plays a role in the development of memory of the hippocampus. The function of neurotransmitters. What is this?. What does it do?. Where are the neurotransmitters?. Can you name any neurotransmitters?. Neurotransmitter molecules are released from the end of the presynaptic cell (the axon) into the space between the two nerve cells (the synapse). Having travelled across the synaptic gap or cleft, molecules may then be ‘taken up’ by specially shaped receptor sites on the postsynaptic nerve cell (the dendrite) and so the chemical message is passed on. The relationship between the neurotransmitter molecule and the receptor site is like a lock and key, molecules will only fit certain receptor sites.. Nearly 1 in 100 people (60% men) . 24 million across the world. Schizophrenia. Literally means “split-mind”. Not a personality split, but a split from reality. A good example of . psychosis. (a psychological disorder in which a person loses contact with reality, experiencing irrational ideas and distorted perceptions). Philip . Cofoid. Prevalence of 0.3% to 0.5% worldwide. Before antipsychotic drugs, the outcome of schizophrenia usually resulted in:. Catatonic states. Institutionalization. Complete debilitation. Antipsychotics have not only made schizophrenia manageable, they immensely improve the quality of life of the patients. Schizophrenia. “. Schizein. ” (Greek) for “to split”. “. phren. ” (Greek) “mind”. *Often mistaken for “Split personalities”. *Means SPLIT from REALITY.. Symptoms. Positive Symptoms ( = ADD). Outline. Introduction. . History . Epidemiology. Etiology . Psychosis. Severe form of mental disorder. Greater severity of illness. Lack of insight. Inability to distinguish between subjective experience and reality (hallucinations & delusions). Schizophrenia. 1. Introduction to neuroanatomy. 2. Organisation of the nervous system. To understand psychiatric disorders, it is important to understand the normal structure and function of the nervous system. symptoms. Schizophrenia is the most common psychotic illness and characterised by two sets of symptoms; symptoms present during the acute phase; and those present when the illness is well established (chronic).. Tufts Ex College. March 11, 2014. http://. skeptikai.com. /. A pattern of broken thoughts: . Schizophrenia, A Beautiful Mind, and Fight Club. Schizophrenia is a . syndrome. : . A. . collection of signs and symptoms of unknown . Introduction. Disorders on the schizophrenia spectrum. Involve psychosis, . impaired cognitive processes, . unusual or disorganized motor behavior, . social withdrawal. Symptoms of Schizophrenia Spectrum Disorders. odihesh. Consultant child & adolescent psychiatrist. Psychotic Disorders . are mental illnesses characterized by gross impairment in reality testing and personal . functioning. Its symptoms . include dysfunctions . Objectives:. . List the classification of antipsychotic drugs used in schizophrenia.. Describe briefly the mechanism of antipsychotic action of these drugs. . Describe the pharmacological actions of antipsychotic drugs. .