Outline and evaluate biological explanations of obesity Various explanations can be provided for the reasons of obesity‚ from biological explanations‚ to neurological and evolutionary theories. Even socio-economic reasons could give insight into why some people have a higher likeliness of obesity Evolutionarily‚ the thrifty gene hypothesis provides insight as to why many suffer from obesity‚ as it suggests that our current genes are no longer suited to our new environment. Modern day society is
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The main form of biological therapy for schizophrenia is drug therapy. Some drugs are more effective at reducing the positive symptoms such as delusions and hallucination than negative symptoms such as lack of motivation and social withdrawal. There are two main categories of drugs‚ neuroleptic drugs and atypical drugs. Neuroleptic drugs such as Prolixin are conventional drugs that reduce psychotic symptoms but produce some of the symptoms of neurological diseases. These drugs block the activity
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Describe circadian rhythms (8marks) Circadian rhythms occur every 24 hours; an example of a circadian rhythm is the sleep-waking cycle. We are diurnal animals who are active during the daytime and asleep at night‚ other animals are nocturnal they are active at night but asleep during the day. The circadian rhythm depends on the interaction of physiological and psychological processes to be tuned into the sleep-waking cycle so energy is provided when needed. As diurnal humans we have a fairly stable
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for schizophrenia to run in families. This suggests that genes and biological factors play a role in the explanation of schizophrenia.. The closer the genetic relationship the more likely the people are to share the disorder. Evidence from family studies by Gottesman showed that when both parent are schizophrenic then there is a 46% chance of the child getting it‚ however‚ if only one parent had it‚ it dropped to 16% and dropped to a further 1% when the sibling of the child had schizophrenia. This
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Outline and evaluate biological explanations for schizophrenia There are many different explanations for schizophrenia and the biological one has a major influence on the explanation. There are two different approaches; genetics and the dopamine hypothesis. The genetic hypothesis argues that sz runs in families and is inherited through genes. According to the genetic hypothesis‚ the more closely related the family member to the schizophrenic‚ the greater their chance of developing the disorder
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Introduction Schizophrenia is a serious brain disorder. It is a disease that makes it difficult for a person to tell the difference between real and unreal experience‚ to think logically‚ to have normal emotional responses to others‚ and to behave normally in social situations. Approximately 1% of the population develops schizophrenia during their lifetime‚ and more than 2 million Americans suffer from the illness in a given year. Although schizophrenia affects men and women with equal frequency
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[Title Here‚ up to 12 Words‚ on One to Two Lines] Abstract For years scientist working in this field have attempted to classify types of schizophrenia. According to the DSM-III there were five different types (disorganized‚ catatonic‚ paranoid‚ residual‚ and undifferentiated) however‚ the first three were originally proposed by Kraepelin. Currently today‚ these classifications are still being used in the DSM-V‚ however predicting the outcomes of the disorder
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Schizophrenia 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. Schizophrenia is one of the most disturbing mental illnesses‚ marked by delusions and hallucinations. It is a psychotic disorder or group of disorders marked by disturbances in thinking‚ emotional responsiveness‚ and behavior. Schizophrenia is the most chronic and
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In this essay I’m going to write about the formation of romantic relationships. Formation is the very early stage of the relationship including initial attraction. The reinforcement affect theory suggests that we form relationships as a result of operant conditioning and classical conditioning which means that the person we formed the relationship with is because of an association that we made between them and a positive feeling‚ therefore feeling happier when you are around them. This theory also
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Describe and evaluate behavioural treatments for phobias? (10 marks) The behavioural treatments for anxiety disorders such as phobias aim to extinguish the association between the anxiety provoking situations and the patient’s responses to it. This is done in treatment methods such systematic desensitisation and flooding. Within these treatments classical conditioning is used to change your behaviour by associating undesirable behaviour with something unpleasant or associating desirable behaviours
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