Biological Basis Of Behavior Essay - 1569 Words

Biological Basis Of Behavior Primary Behaviors of Schizophrenia Schizophrenia is defined as a devastating psychotic disorder that may involve characteristic disturbances in thinking (delusions), perception (hallucinations), speech, emotions, and behavior (Durand and Barlow 443). This disorder affects nearly 2.5 million people. The symptoms of schizophrenia are usually divided into two categories, positive and negative. The positive symptoms include delusions, hallucinations, disorganized speech or thinking, grossly disorganized behavior, and catatonic behaviors, which means that you suffer from motor immobility (schizophrenia.com). Delusions are defined as a strong disorder of thought and false beliefs†¦show more content†¦There are four categories of hallucinations. The first is auditory which are the most common. Auditory hallucinations are defined as hearing voices or noises that dont exist. The second category is visual, which is defined as seeing things that arent there. These hallucinations can be benign such as a flash of light or scary such as monsters. The third category is tactile which are hallucinations of touch. With these hallucinations the person feels as if something is tickling them under their skin. The last category is smells which are the least common hallucinations. Often the smells are not pleasant. The negative symptoms of schizophrenia are affective flattening, alogia, avolition, and anhedonia. Affective flattening is the lack of emotional expression. People who have studied schizophrenia say that flat affect is like wearing a mask. You cant show emotion when you are expected to (Durand and Barlow 449). Alogia is described as poverty of speech or decreased ability to formulate thoughts. Speaking to a person with alogia can be extremely frustrating because they often give short and uninformative answers to questions. Avolition is defined as a loss of goal directed activities. People with this symptom show little interest in performing even the most basic day-to-day functions including those associated with personal hygiene (Durand and Barlow 448). Anhedonia isShow MoreRelatedBiological Basis Of Behavior : The Great Grey Owls ( Strix Nebulosa )2278 Words   |  10 Pages Biological Basis of Behaviour MR2204 J Mulvany Sensory Systems Georgina Meek 7th November 2014 Introduction Great Grey Owls (Strix nebulosa), use a wide variety of different environmental factors when hunting a lemming (Lemmus sp.) when it is hidden beneath the snow. The different sensory systems which the owl possesses are particularly adjusted in order for the owl to most suitably use them to the best of its ability when hunting. The various sensory systems refer to the wayRead MoreBiological and Classical School1265 Words   |  6 Pagesassociation with criminology through its focus on lawmaking and legal processing. 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