Question 5 0.5 out of 0.5 points Correct Success at object search tasks coincides with Answer Selected Answer: rapid development of the frontal lobes of the cerebral cortex. Correct Answer: rapid development of the frontal lobes of the cerebral cortex. Question 6 0.5 out of 0.5 points Correct Research on child care in the United States shows that Answer Selected Answer: only 20 to 25 percent of
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PS101 Take home exam Secret life of the brain 7 November 2013 The Baby’s Brain: Wider Than The Sky Explain migrations-how millions of neurons travel in waves and follow cues along the way telling them exactly where to go? Neurons travel everyday in millions to carry out different task. It’s fascinating how they travel as if they are traveling across the country. They’re following cues along the way that are telling them exactly where to go. Evidence shows that young neurons have an idea
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investigate the effects of a deprived or enriched environment on neuroplasticity‚ in particular‚ the development of neurons in the cerebral cortex. The participants used were rats. The rats were separated and exposed to the two environments‚ one enriched with toys and one deprived with no toys for 30-60 days before being euthanized. Rats in the stimulating environment had a thicker cortex and heavier frontal lobe compared to rats in the deprived environment. This study showed the effect of the environment on
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1. Humans‚ or human beings‚ are bipedalprimates belonging to the mammalian speciesHomo sapiens (Latin: "wise man" or "knowing man"). Humans have a highly developed brain capable of abstract reasoning‚ language‚ and introspection. 2. The cerebral cortex is nearly symmetrical‚ with left and right hemispheres that are approximate mirror images of each other. Anatomists conventionally divide each hemisphere into four "lobes"‚ the frontal lobe‚ parietal lobe‚ occipital lobe and temporal lobe.
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According to Rilling (2014)‚ understanding the evolution of the unique characteristics of the human brain requires studying the brain of other living primate species. In other words‚ a specific evolutionary change in the human brain cannot be inferred to be unique to the human lineage unless other species sharing a last common ancestor don’t have it. That being said‚ Rilling emphasizes the role of comparative neuroimaging to investigate the similarities and differences between human and non-human
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mtDNA (mitochondria DNA) mutations might contribute to the neurodegeneration observed in Huntington’s disease. Part of the research was to analyze cerebral deletion levels in the temporal and frontal lobes. Research hypothesis: HD patients have significantly higher mtDNA deletionlevels than agematched controls in the frontal and temporal lobes of the cortex. To test the hypothesis‚ the amount of mtDNA deletion in 22 HD patients brains was examined by serial dilution-polymerase chain reaction (PCR) and
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exactly her body was made up of‚ her view of the world would be distorted. “My perception of physical boundaries was no longer limited to where my skin met air‚” says Jill. Stroke is the number one disabler and number three killer of the cerebral cortex of the brain. Jill had experienced a rare form of stroke‚ which had left her with a clot the size of a golf ball in her head. Her left hemisphere was very heavily damaged and she was working with solely with the remaining right hemisphere. Between
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can cause rapid weight gain. A person with a dysfunctional hypothalamus can have an appetite that is never satisfied‚ leading to over eating. The damaged hypothalamus can interfere with losing weight. Cerebellum which looks like a miniature cerebral cortex‚ lies at the base of the brain. Cerebellum primarily regulates posture‚ muscle tone‚ and muscular coordination. The cerebellum also stores memories related to skill and habits. Without the cerebellum‚ tasks like walking‚ running‚ or playing catch
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effects of rhythm on the way that people dance or move their bodies to music. After sound reaches the eardrum‚ it sets into motion of a complex combination of mechanical‚ chemical‚ and neural events in the cochlea‚ brain stem‚ midbrain nuclei‚ and cortex that result in a percept. The cerebellum plays a role in remembering the “settings” that can be used for synchronizing to music as people hear it‚ and it can recall these “settings” when people need it. The basal ganglia are the most important organ
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MARIJUANA’S SHORT AND LONG TERM EFFECTS ON THE BRAIN Millions are abusing marijuana every day. In fact‚ 1 out of 7 high school students smoke marijuana more than once a day. Marijuana is taken very lightly and is the most highly used illegal drug. For this reason‚ society should know its short and long term effects on the brain. Marijuana can effect these two areas emotionally or physically. Also in some cases physical damages causes the emotional response. Although most public information
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