sometimes "disobedient" and generally out of the realm of their own voluntary control‚ while the unaffected hand is under normal volitional control. At times‚ particularly in patients who have sustained damage to the corpus callosum that connects the two cerebral hemispheres‚ the hands appear to be acting in opposition to each other. Damage to the corpus callosum can give rise
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brain is the most important organ in the nervous system. Located inside the head‚ surrounded by the skull. The human brain is very identical to the brains of other mammals‚ but with a more developed and evolved cerebral cortex. Much of the size of the human brain comes from the cerebral cortex‚ especially the frontal lobes‚ which are associated with executive functions such as self-control‚ planning‚ reasoning‚ and abstract thought. Before talking about the lobes. The most important part must be talked
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BRAIN STRUCTURES‚ ETYMOLOGY and FUNCTIONS STRUCTURE ETYMOLOGY FUNCTION Prefrontal Cortex (or Frontal Lobe) “relating to the forehead” “hull‚ husk‚ pod” (Chudler‚ n. d.) Controls executive functions such as judgment‚ managing emotional characteristics‚ voluntary movement‚ reasoning‚ memory‚ and language skills (Kahn‚ 2012) Temporal Lobe “temples of the head” “hull‚ husk‚ pod” (Chudler‚ n. d.) Manages hearing‚ speech‚ and auditory functions (Kahn‚ 2012) Occipital Lobe
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functioning. Cognitive Functioning The cerebral cortex is divided into four lobes as well as into left and right hemispheres. Martinez (2010‚ pp.237) states that‚ “The cerebral cortex is the anatomical origin of the mind’s higher-order functions—reasoning‚ intelligence‚ creativity‚ and problem-solving—as well as the coordination of sensory input and motor control that helps us relate skillfully to our environments.” By segregating each structure of the cerebral cortex a greater understanding is achieved
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language faculty seems to be located in certain areas of the left hemispheric cortex in most healthy adults. A special branch of linguistics‚ New medical imaging techniques such as PET and fMRI have allowed researchers to generate pictures showing which areas of a living brain are active at a given time. In the past‚ research was primarily based on observations of loss of ability resulting from damage to thecerebral cortex. Indeed‚ medical imaging has represented a radical step forward for research
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PSYCH Ch. 3 Neurosystem (Central Nervous System) CNS – Brain & Spinal Cord (Peripheral) PNS Soma – cell body‚ contains nucleus and much of chemical machinery common to most cells Dendrite – part of neuron that is specialized to receive information Axon – transmits information away from the soma to other neurons/muscles/glands Action potential – brief period where channels open and it changes chemical reaction within cell Absolute Refractory Period – minimum length of time after an
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three weeks‚ my parents yearning for the chance I’ll survive. I did. Then as time went one I wasn’t developing the way other newborns were. I was diagnosed with Cerebral Palsy. Cerebral Palsy can cause many problems for the person who has it including low muscle tone‚ learning disabilities‚ seizure‚ loss of hearing‚ paralysis and more. Cerebral Palsy affected my legs to the point of where I could walk‚ but in crouched position with
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Underneath the cerebrum lies the brainstem‚ but behind that is where the cerebellum can be located. On the other hand the outermost layer of the cerebrum is the cerebral cortex that happens to contain four lobes which include the frontal lobe‚ parietal lobe‚ temporal lobe‚ and the occipital lobe. However the human brain can be broken it many more parts but it will always trace back to these six parts. Although this is
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nuclei and cerebellum The basal nuclei adjust or establish patterns of muscle movements‚ and the cerebellum monitors proprioceptive and vestibular information. Which of these is/are (a) component(s) of the somatic nervous system? Ventral roots Motor cortex Ventral horn All of these are component of the somatic nervous system Mechanoreceptors that respond to changes in blood pressure are called Baroreceptors Assessing spinal nerve damage may involve the use of a vibration fork that is tapped along
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The human brain has five divisions. They start forming in the vertebrae embryo as the tissue that eventually develops into the central nervous system. The first developments of the brain are three swellings that appear at the anterior end of a fluid filled tube. These swellings eventually become the forebrain‚ midbrain‚ and hindbrain. What happens is‚ the forebrain swelling grows into two different swellings and so does the hindbrain swelling. This is what makes up the five divisions of the brain
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