drugs Antipsychotic drugs are typically an efficacious treatment for the positive symptoms of schizophrenia (Foussias & Remington‚ 2010). Most antipsychotics are thought to reduce positive symptoms because they block dopamine receptors. Therefore‚ their effectiveness reinforces the dopamine hypothesis.
Premium Schizophrenia Psychosis Antipsychotic
Assignment-DSM-IV Evaluation Deborah L Higgins PSY 270 December 12‚ 2010 Miles Castle Assignment-DSM-IV Evaluation The purpose of this paper is to match the disorders in Appendix H to the appropriate case studies according to the DSM-IV. I will also discuss possible causes and treatments of the disorders that I successfully matched. There were five case studies and seven disorders so therefore there were two that were not used. The psychological disorders that were used were schizoid‚ narcissistic
Premium Schizophrenia Antipsychotic Mental disorder
Aggression in both animals and humans has been associated with low levels of serotonin and high levels of dopamine. Serotonin appears to stop aggression. So it is harder to stop aggression for those people with low levels of serotonin. David et al suggests that serotonin levels found in criminals are lower than in non-violent criminals. It has also been found that reducing serotonin levels in Vervet monkeys increases their aggressive behaviour‚ and increasing serotonin levels reduces aggressiveness
Premium Aggression Testosterone Violence
pattern of Parkinson’s disease. Background information: In Parkinson’s disease‚ molecular mechanisms that function to mediate the deterioration of dopamine neurons located at the midbrain not clearly comprehended by many. In the pattern of a mouse of this disease‚ empirical evidence in support for the role of calcium-dependent protease‚ in the failure of dopamine neurons is provided
Premium Dopamine Neuron
effects of dopamine (a neurotransmitter that helps control the brains reward and pleasure centres) to reduce symptoms of schizophrenia. Dopamine antagonists bind to dopamine receptors but do not stimulate them‚ blocking their action. Chlorpromazine (a synthetic drug used as a tranquilizer and sedative) can eliminate some of the positive symptoms of schizophrenia such as hallucinations and delusions. The effectiveness of these drugs in reducing symptoms led to the development of the dopamine hypotheses
Premium Antipsychotic Schizophrenia Dopamine
Attention deficit hyperactivity disorder (ADHD) is just one of a number of behavioral and developmental disorders that can affect young children today. Some are too quick to jump to the use of medication. This controversial method of treatment for children has its ups and downs‚ as do all medications. ADHD can not be cured‚ but it can be taken care of.() Physicians today over diagnose ADHD which leads to the over-prescription of a powerful and potentially harmful stimulant. However‚ this shouldn’t
Premium Attention-deficit hyperactivity disorder Methylphenidate Dopamine
What Is Parkinson’s Disease? What Causes Parkinson’s Disease? Parkinson’s disease is a progressive nervous system disorder that affects how the person moves‚ including how they speak and write. Symptoms develop gradually‚ and may start off with ever-so-slight tremors in one hand. People with Parkinson’s disease also experience stiffness and find they cannot carry out movements as rapidly as before - this is called bradykinesia. The muscles of a person with Parkinson’s become weaker and the individual
Premium Parkinson's disease Dopamine
neurotransmitters are described as free floating chemicals in our brain transmit signals in the synapse‚ a junction that permits a neuron to pass electrical signals to other cells. In this paper I will identify four major neurotransmitters‚ such as the dopamine‚ acetylcholine‚ gaba and glutamate. Plus‚ I will analyze their function‚ and evaluate their impact on physical and mental behavior. Neurotransmitters are stored in minute sac called vesicles located at the end of axons. When an impulse‚ reaches
Premium Brain Nervous system Dopamine
There is increasing evidence that variants in the gene for the dopamine transmitter are related to the development of ADHD. This makes sense‚ as according to other recent studies‚ people with ADHD usually have an abnormally high number of dopamine neurotransmitters which discard the dopamine before the brain can fully make use of it. The stimulant medications used to treat the disorder are all capable of blocking dopamine neurotransmitters. The finding of another possible cause stemmed
Premium Attention-deficit hyperactivity disorder Dopamine Amphetamine
Jakarta‚ June 14th 2012 Abstract A majority of Parkinson’s disease patients had insufficient levels of vitamin D. Parkinson’s disease (PD) is the second most common form of neurodegeneration in the elderly population. In PD‚ one’s levels of dopamine are lowered because the nerve cells which make the chemical have either died or lost their usual functioning. Clinically‚ it is characterized by tremor‚ rigidity‚ slowness of movement‚ and postural imbalance. The correlation located in vitamin D
Premium Parkinson's disease Dopamine Nervous system