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1 - mrnicholsscience
1 - mrnicholsscience

... 3. What is the main pathway between the brain and the PNS? 9. Name the layers of the meninges from outside to inside. 4. What does CSF flow through between the third and fourth ventricles? Where does CSF go when it leaves the brain? ...
MARIJUANA - ctclearinghouse.org
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... normal functioning of the brain. Scientists are now actively investigating anandamide’s function in the brain. This research will not only help in gaining a greater understanding of how marijuana acts in the brain and why it is abused, but it will also provide new clues about how the healthy brain w ...
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Denmark gets its first large international research

... brain research community, ensuring an even closer contact between Danish and European research. The prize is awarded to one or more researchers who are nominated by their peers. An international selection committee, consisting of eight highly respected brain researchers, will decide which of the nom ...
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... activity of the brain can be followed with time.  Radioactive glucose or oxygen commonly used.  More active brain regions use more oxygen and glucose so they give off a larger signal than the rest of the brain. Used to map areas of brain responsible for different functions (e.g. language, learning ...
Red Brain, Blue Brain: Evaluative Processes Differ
Red Brain, Blue Brain: Evaluative Processes Differ

... changes in interoceptive state to possible decision-related outcomes [10,11,19,20]. Further, intolerance of uncertainty is related to posterior insula functioning [11]. The ACC is involved in conflict and error monitoring and in action selection [21,22]. Thus, the regions implicated in risk and conf ...
Early Brain Development and Its Implications for
Early Brain Development and Its Implications for

... • The neurons then emit outgoing signals via the axons. • These neurons communicate with each other via chemical secretions called neurotransmitters. • The more the brain engages in problem-solving activities, the more it develops— not through gaining new neurons but through dendritic branching. • M ...
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... Plays an important role regarding emotions, moods and perception  Also involved in sleep, blood pressure, body temperature and the secretion of hormones  Occurs throughout the body – especially in digestive system; only about 2% of the total amount in the body is present in the brain  Produced fr ...
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... the presence or absence of the lesion along with the patient history, is an important factor in the diagnosis. Magnetic Resonance Imaging (MRI) is a scanning device that uses magnetic fields and computers to capture images of the brain on film. It does not use x-rays. It provides pictures from vario ...
Early Brain Development and Its Implications for
Early Brain Development and Its Implications for

...  The neurons then emit outgoing signals via the axons.  These neurons communicate with each other via chemical secretions called neurotransmitters.  The more the brain engages in problem-solving activities, the more it develops— not through gaining new neurons but through dendritic branching.  M ...
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... It receives nerve impulses from your skin, eyes, ears, nose, and tongue, and changes them into touch, sight, sound, smell & taste. It also sends out signals that control many muscles. This is where the senses are processed. ...
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Chapter Outlines - Cengage Learning

... 1. Split-Brain Studies. Split-brain (severed corpus callosum) data demonstrate that each hemisphere is superior in certain abilities. The left hemisphere controls spoken language, and the right controls recognition of faces and tasks dealing with spatial relations, such as drawing three-dimensional ...
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... 12- What is the difference between sensory and association cortex: Sensory processes body touch and movement sensations while association cortex is not involved in ...
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... Cancer that has spread to the brain can be treated with targeted high-dose radiation. However, it is difficult to tell early on if the tumour is responding to therapy. With the support of an Innovation Grant, Dr. Greg Stanisz’ team showed that new medical resonance imaging (MRI) techniques could d ...
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... surge of dopamine in the brain, which gives the user a great feeling. (Meth also blocks the dopamine transporter from pumping dopamine back inside the neuron to be used later, causing an extended high.) ...
Unit Two
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AP Ψ - nrappsychology
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... i. A computerized imagine technique that uses x rays passed through the brain at various angles and then combines them into an image c. PET (positron emission tomography) and SPECT (single-photon emission computed tomography) i. Relies on the detection of radioactive sugar consumed by brain cells ii ...
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Diseases of Nervous system

... Intermittent screaming. ...
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... contains nucleus & other organelles ...
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... sensory and motor nerves. Sensory nerves contain sensory neurons and the motor nerves contain motor neurons. The sensory are frequently linked to motor neurons by intermediate neurons. The sensory intermediate and motor nerves have gaps among them called synapses. Communication travel within the neu ...
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... Lab One: A beginner’s guide to the spikerbox ...
NervousSystemPPT
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...  Because the brain is so specialized many of the chemicals found in the blood are actually toxic to the neurons in the brain. With such a specialized job one would think that the brain itself should actually have its own separate circulatory system.  Unlike other parts of the body where the arteri ...
Work Station Site - Museums Victoria
Work Station Site - Museums Victoria

... Move to the Becoming Transparent pillar 6. Who was Phineas Gage and why is his story so important to the understanding of how the brain works? ...
< 1 ... 206 207 208 209 210 211 212 213 214 ... 280 >

History of neuroimaging

The first neuroimaging technique ever is the so-called ‘human circulation balance’ invented by Angelo Mosso in the 1880s and able to non-invasively measure the redistribution of blood during emotional and intellectual activity.Then, in the early 1900s, a technique called pneumoencephalography was set. This process involved draining the cerebrospinal fluid from around the brain and replacing it with air, altering the relative density of the brain and its surroundings, to cause it to show up better on an x-ray, and it was considered to be incredibly unsafe for patients (Beaumont 8). A form of magnetic resonance imaging (MRI) and computed tomography (CT) were developed in the 1970s and 1980s. The new MRI and CT technologies were considerably less harmful and are explained in greater detail below. Next came SPECT and PET scans, which allowed scientists to map brain function because, unlike MRI and CT, these scans could create more than just static images of the brain's structure. Learning from MRI, PET and SPECT scanning, scientists were able to develop functional MRI (fMRI) with abilities that opened the door to direct observation of cognitive activities.
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