the brain that deal with those experiences. According to Martin H. Teicher‚ “Maltreatment is associated with reliable morphological alterations in interior cingulate‚ dorsal lateral prefrontal and orbitofrontal cortex‚ corpus callosum and adult hippocampus.” All specific regions affected by child abuse and its stress (Teicher
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The Five Major Structures of the Brain The brain is an amazing structure. It is the most complex and interesting part of the human body. It is like a huge computer that runs every function of the body. The brain is made up of the five major structures that include: the myelencephalon‚ metencephalon‚ mesencephalon‚ deicephalon‚ and the telencephalon. Each of these structures also has substructures involved within them. You start learning how to do things when you are born and keep learning as
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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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Case Study: Phineas Gage What: Got an iron pole up through the base of his head‚ through the front brain and exited the top. So What: He was awake and showed no signs of brain damage. He only lost his left-eye vision. There was no paralysis or language problems. Though‚ his behavior changed drastically. He could not follow though with plans‚ became much more agitated and could not maintain social relationships due to impaired social abilities (pornographic language etc.). Shows that: The balance
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Male Brain vs. Female Brain: Is one Better than the Other? Differences between males and females have been an issue affecting our society for thousands of years. Why are we so different? Why are we so similar? Several scientists have attempted to explain these variations‚ all using different methods and approaches. A very controversial study by psychologist J. Philippe Rushton suggested that men are innately more intelligent than women. This study gave arousal to several studies that oppose it
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consisting of amyloid plaques‚ neurofibrillary tangles‚ and reduction in neurotransmitter levels. In the Alzheimer brain: The cortex shrivels up‚ damaging areas involved in thinking‚ planning and remembering. •Shrinkage is especially severe in the hippocampus‚ an area of the cortex that plays a key role in formation of new memories. Ventricles (fluid-filled spaces within the brain) grow larger. •Alzheimer tissue has many fewer nerve cells and synapses than a healthy brain. Plaques‚ abnormal clusters
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aphasia‚ is a type of aphasia in which an individual is unable to understand language in its written or spoken form. 5. Identify the role each of the following in listening to and taking notes during a psychology lecture: hippocampus‚ cerebellum‚ cerebral cortex The hippocampus is a brain structure crucial for creating long-lasting memories has been observed to be active in response to recurring musical phrases while listening to music. Thus‚ the hippocampal involvement in long-term memory may be
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Anatomy of the Nervous System Structure of the Vertebrate Nervous System • Neuroanatomy is the anatomy of the nervous system. • Refers to the study of the various parts of the nervous system and their respective function(s). • The nervous system consists of many substructures‚ each comprised of many neurons. Structure of the Vertebrate Nervous System • Terms used to describe location when referring to the nervous system include: – Ventral: toward the stomach – Dorsal: toward the back –
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showed how students in PE classes performed better in a math test compared to inactive students. A professor at Harvard medical school‚ Dr. John Ratey‚ states that exercise produces growth factors called BDNF that helps producing brain cells in hippocampus – an area in the brain associated with memory and learning. A math teacher told how they had swayed opinions on exercise; they play interactive brain games in classes to get the brain going and stay focused; compared to past where they were supposed
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The sensory cortex and thalamus‚ for instance‚ process the sensory input that leads to a fear response. The hippocampus may establish a context through which fear stimuli can be interpreted (e.g. traumatic memories can provoke a fear response even when the individual is in a nonthreatening environment)‚ and the hypothalamus activates the so-called “fight or flight”
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