Case Study on Transcranial Magnetic Stimulation

Added on - Apr 2020

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Running head: TRANSCRANIAL MAGNETIC STIMULATIONTranscranial Magnetic StimulationName of the StudentName of the UniversityAuthor’s Note
1TRANSCRANIAL MAGNETIC STIMULATIONAbstractThe following study is based on TMS and its utility in the field of neuroscience. It finds variousapplications of TMS in neuroscience. Moreover, it identifies the advantages and disadvantages ofTMS technique. The strengths of the technique is also highlighted. Finally the discussion isjustified with the help of empirical example of Stewart et al. work in the year 2001. This studyidentifies that the technique has no doubt some benefits treating the patients with depression.However, the actual mechanism of TMS is still unclear to the scientists which increase the risk inutilizing it on the patients. However, the study of Stewart et al. identifies that the lefthemispheric posterior BA37 is necessary for object recognition which is highly affected by theimplementation of TMS on a patient.
2TRANSCRANIAL MAGNETIC STIMULATIONIntroductionTMS or Transcranial Magnetic Stimulation is considered as the last resort in the field ofneuroscience and psychology when rest of the treatments to deal with the patient’s depressionfails to show any benefit. It is a noninvasive procedure, which improve the symptoms ofdepression requires the magnetic fields in stimulating the nerve cells in the brain. The processinitiates with the placement of an electromagnetic coil in the forehead against the scalp, whichdelivers a magnetic pulse to stimulate the nerve cells in the region of the brain that controls themoods and depression. The following study will identify the advantages and disadvantages ofusing TMS and the strengths of the procedure. It will further look into the rage of application ofTMS. The study will be supported with an empirical example.Empirical ExampleStewartet al. (2001) in their paper concluded that TMS applied on the posterior BA37 ofthe left hemisphere very much disrupt picture naming but leaving the word reading, non-wordreading and color naming unaffected. BA37 is the area of posterior inferior temporal cortex,which controls multiple functional role of human brain. Their study identified no delay in thenaming when TMS was implemented over the vertex or the analogous right hemispheric siteprecludes an explanation in terms of a non-specific effect of TMS. The impact of TMS onphonological process remains unaffected. The evidence from the study that reflects that thereading of words, non-word reading remains unaffected can verify this statement. These skillsrequire high level of phonological process. It will be false to assume the picture-naming deficitas a result of interference with the semantic processing. It is because the semantic lexicon alsohelp in word reading.
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