Human body is not perfect‚ there are many imperfection in almost every organ system but that is what makes us and other living beings unique as well as interesting . Today we will be discussing one of such imperfections ‚ "The Referred pain" which I have called a Glitch in the Nervous system and you will know why as you read this post.And we will also be discussing its Medical implications. What is a Referred Pain? A pain which is felt at the distant site from the organ diseased but not felt at
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meaning ’a nerve network in the brainstem that plays an important role in controlling arousal. 21) Which part of the brain forms the outside covering of the hemispheres? d) The cortex The cerebrum or cortex is the largest part of the human brain‚ associated with higher brain function such as thought and action. The cerebral cortex is divided into four sections‚ called "lobes": the frontal lobe‚ parietal lobe‚ occipital lobe‚ and temporal lobe .Each hemisphere is divided into 5 lobes: Occipital‚ Parietal
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Internet! The New Drug of Choice It is difficult in these modern times to find anyone who doesn’t use the Internet. I am not speaking of North Americans (but mainly N. Americans)‚ but the rest of the world is quickly catching up. China already has more users than Canada and the US put together. According to Internet World Stats (2012)‚ China has 538 million online frequenters and 82.5% of the Korean population use the Internet. Korea’s penetration rate is third with England leading the way at
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Functioning 4. In searching for the engram‚ Karl Lashley found that removal of larger areas of cortex resulted in the greatest impairment of memory. ANS: T PTS: 1 DIF: factual REF: Localized Representations of Memory OBJ: 2 TOP: 13.1 Learning‚ Memory‚ Amnesia‚ and Brain Functioning 5. Lashley was able to determine that the frontal lobe cortex is more important for memories than the parietal lobe cortex. ANS: F PTS: 1 DIF: factual REF: Localized Representations of Memory OBJ: 2 TOP: 13.1
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Chapter 1 • Anatomy & Physiology • Gross anatomy – visible to naked eye • Microscopic • Developmental • Pathological anatomy • Radiographic anatomy • Molecular biology • Physiology • Focuses on cellular or molecular level • Principle of Complementarity of Structure and Function • A&P are inseparable • Function reflects structure • Specific form • Levels of organization 1. Chemical level 2
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and that there is no room for freedom. Is the argument against determinism of all behavior a lost cause? All is not lost‚ as studies emerging from neuroscience elucidate evidences of free will residing in the brain‚ specifically the prefrontal cortex (Udell‚ 2009; de Jong‚ 2011). Higher-order functions of one’s behaviour which includes planning‚ reasoning and even lying is attributed to it (Karim et al.‚
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Would tMS have the same effect in the motor cortex and visual cortex? No‚ in the visual cortex TMS may cause a patient to see tiny spots of light known as phosphenes‚ while in the motor cortex the electromagnetic stimulation produces (or disrupts) movement. 11. What is a microelectrode. How do intra-and extracellular recording differ. A microelectrode is a tiny electrode
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on about 100 olfactory neurons. Olfactory pathways Axons from olfactory receptor cells -------- glomeruli -------- olfactory bulb (via CN I) ---------- olfactory tracts ----------- olfactory cortex ------------medial dorsal nucleus of the thalamus ---------- insula --------- orbitofrontal cortex TASTE For perception of taste‚ temperature‚
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do this by either synapsing directly to lower motor neurons‚ or by synapsing with a local circuit neuron‚ which then synapses with a lower motor neuron. The upper motor neurons originate in the motor region of the cerebral cortex or brainstem. The neurons from the cerebral cortex are important for planning‚ initiating‚ and directing voluntary movements. Neurons from the brainstem help to regulate muscle tone‚ control postural muscles‚ and help maintain balance and orientation of the head and body.
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These are the superior temporal gyrus‚ the inferior temporal cortex‚ and the medial temporal cortex. The superior temporal gyrus I where our hearing and language come in. The inferior temporal cortex helps us identify complex visual patterns. The medial temporal cortex is what we rely on for memory (Pinel‚ 2009). 4. Occipital lobe This is what is used to help us analyze the visual input which guides our
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