The Frontal lobes - Mahidol University

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19/07/54 Frontal lobe Executive Functions The executive functions of the frontal lobes involve the ability to recognize future consequences resulting from current actions, to choose between good and bad actions (or better and best), override and suppress unacceptable social responses, and determine similarities and differences between things or events. Therefore, it is involved in higher mental functions. The frontal lobes also play an important part in retaining longer term memories which are not task‐based. These are often memories associated with emotions derived from input from the brain's limbic system. The frontal lobe modifies those emotions to generally fit socially acceptable norms. Psychological tests that measure frontal lobe function include finger tapping, Wisconsin Card Sorting Task, and measures of verbal and figural fluency. Comparative Neurobiology: Evolutionary Consideration COMPARATIVE BRAIN 18
19/07/54 สมองคน Frontal lobe Evolution For many years, many scientists thought that the frontal lobe was disproportionately enlarged in humans compared to other primates. They thought that this was an important feature of human evolution and was the primary reason why human cognition is different from that of the other primates. However, this view has been challenged by newer research. Using magnetic resonance imaging to determine the volume of the frontal cortex in humans, all extant ape species and several monkey species, Semendeferi et al. found that the human frontal cortex was not relatively larger than the cortex in the other great apes but was relatively larger than the frontal cortex in the lesser apes and the monkeys The limbic system is also tightly connected to the prefrontal cortex. Some scientists contend that this connection is related to the pleasure obtained from solving problems. To cure severe emotional disorders, this connection was sometimes surgically severed, a procedure of psychosurgery, called a prefrontal lobotomy. Patients who underwent this procedure often became passive and lacked all motivation. There is circumstantial evidence that the limbic system also provides a custodial function for the maintenance of a healthy conscious state of mind. “Psychosurgery” 19
Page 1 and 2: 19/07/54 415703 Cognitive Neuropsyc
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Page 5 and 6: 19/07/54 The premotor cortex is dys
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Page 13 and 14: 19/07/54 Basal ganglion and Extrapy
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Page 17: 19/07/54 The frontal eye fields (FE
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Page 23 and 24: 19/07/54 Paul Pierre Broca (June 28
Page 25 and 26: 19/07/54 Brodmann area 45 (BA45), i
Page 27 and 28: 19/07/54 Prefrontal cortex Brodmann
Page 29 and 30: 19/07/54 The Brodmann area 32 32, a
Page 31 and 32: 19/07/54 Impairment of social and m
Page 33 and 34: 19/07/54 Frontal lobe and Executive
Page 35 and 36: 19/07/54 An interesting phenomenon
Page 37 and 38: 19/07/54 The Frontal Lobes The pref
Page 39 and 40: 19/07/54 Impairment of Abstract Rea
Page 41 and 42: 19/07/54 Impairment of Motor Functi
Page 43 and 44: 19/07/54 Confabulation and Reduplic
Page 45 and 46: 19/07/54 Schizophrenia • Schizoph
Page 47: 19/07/54 DSM‐IV Schizophrenia Cat

The Frontal lobes - Mahidol University

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