Term
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Definition
Measured changes in blood flow in the brain. (Areas working require more blood)
Advantages are that it gives a low exposure and shows live responces. |
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Term
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Definition
Produces an electromagnetic field that resonates water molecules in the body.
Can create lots of "cross section" images.
Not thought to expose patients to harmful radiation. |
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Term
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Definition
| Persistant vegetative state: a lower form of conciousness where a person is not aware or their surroundings, even though they respond to basic stimuli (light) and have sleep/wake cycles. |
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Term
| What does the brain stem do? |
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Definition
| controls reflexes, unconcious functinons such as breathing, heart beat, digestion, recieving incoming stimuli. |
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Term
| What does the cerebral cortex do? |
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Definition
| Control thinking, memory, language and voluntary movement. The cortex is larger in humans than in other animals. |
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Term
| True or false - several brain regions are often involved in a single thought process. |
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Definition
| True - different regions process signals from different parts of the body, and so many regions can be involved in a single action. |
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Term
| Activity in an area of the brain can lead to changes in that area which can be detected by intruments. Name some. |
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Definition
| Increased blood flow, increased elecrical activity, increased demand for energy. |
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Term
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Definition
| Being aware of ones enviroment and onces relationship to it. |
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Term
Define Death.
(Loss of mortality, not Discworld character :-P ) |
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Definition
| Irreversable loss of heart function or all brain function. But it's not so easy to tell with modern technology (eg. life support) |
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Term
| Name the electromagnetic specturm. Double points if it's in order or wavelength (longest to shortest) |
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Definition
Radio, Microwave, Infared, Visible, Ultraviolet UV, X-ray, Gamma.
Radio Manchester interviews vicious undergradutes (and) xenophobic grannies. |
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Term
| True or false - electromagnetic radiation can move through a vaccuum. |
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Definition
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