PSYCH-190 Lecture Notes - Lecture 6: Phineas Gage, Cerebral Hemisphere, Neuroplasticity
28 Sep 2020
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Document Summary
Right cerebral hemisphere perceives stimuli from and controls movements on the left side of your body, whereas your left cerebral hemisphere perceives stimuli from and controls movement on the right side of your body. The brain"s adaptation to changes in sensory inputs. Neurons in the brain can be shaped by experience and the environment, making the human brain amazingly plastic. Genetics (nurture) and environment (nature) both play a major role in producing particular behaviors, personality traits, psychological disorders, or pretty much anything a human does. A measure of the variability of behavioral traits among individuals that can be accounted for by genetic factors. Phineas gage"s traumatic accident allowed researchers to investigate the functions of the frontal lobe and its connections with emotion centers in the subcortical structures. The likely path of the metal rod through gage"s skull is reconstructed here. Some functions are localized to one hemisphere of the brain. The two hemispheres embody different types of processing.
