What are 2 ways that scientists fgured out which functions correspond to which regions of the brain10/18/2023 ![]() ![]() If the motor area of the brain is stimulated, the patient makes an involuntary movement. This is a non-invasive approach to studying the brain. Scientists have stimulated different parts of the brain with a weak electrical current and asked patients to describe what they experienced. This important case allowed scientists to examine the effect of the injuries on his brain activity. It was noted that he lost his inhibitions socially and emotionally.ĭoctors realised the changes in Phineas were due to the damage in the particular parts of the brain that the iron rod had passed through. Phineas survived the accident, but it was documented that his personality changed following it. ![]() using functional magnetic resonance imaging ( MRI ) scanning techniquesĪ well-documented example of brain damage is of Phineas Gage, who in 1848 had a serious accident whilst laying railway tracks and an iron rod went through his skull.electrically stimulating different parts of the brain.Neuroscientists have mapped various regions of the brain to particular functions by: The more that scientists understand about how the brain functions, the more likely they are to be able to develop treatments for brain conditions, including dementia.Īlthough our current understanding of brain function is still quite limited, modern science has allowed scientists to discover how some of the different parts of the brain function. More and more people are living longer and dementia is becoming more common. Carrying out research into the functions of the brain is becoming increasingly important. ![]()
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