Term
| What is the basic function of the brain stem? |
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Definition
| To process the main unconcious functions of the body eg. breathing. Also recieve incoming stimuli (pain, temperature) |
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Term
| What is the basic function of the cerebellum? |
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Definition
| Controls fine movements(co-ordination, precision) |
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Term
| What is the basic function of the cerebral cortex? |
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Definition
| Concious through processes, higher brain functions - the cortex is proportionately much larger in humans than in any other animal. |
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Term
| This is a nerve cell. Add the labels. |
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Definition
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Term
| What is the junction between two neurons called? |
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Definition
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Term
| A chemical transmits the electrical signal across the junction between two cells. What is the umbrella term for a chemical that does this? |
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Definition
A neurotransmitter
(Sorry, badly phrased question) |
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Term
| Name three examples of these chemicals. |
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Definition
Acetycholine, dopamine, serotonine.
ADDITIONAL INFO...
Some neurotransmitters strengthen a signal, others weaken it. |
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Term
| Name two ways that drugs can change the ways naurotransmitters work. |
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Definition
Mimicking neurotransmitters increasing the effecitiveness of the synapse (eg. nicotine mimics acetycholine)
Prevent the reuptake of the neutrotransmitters, eg. anti depressants inhibit serotonin uptake. |
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Term
Very basicly, what areas of bodily function are dopamine, serotonin and acetycholine associated with?
^
Multiple choice! Choose from
mood,
muscle connections and
emotion + movement. |
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Definition
Serotonin - mood, low levels can equlal depression, high level schizophrenia.
Dopamine - movement and emotions.
Acetycholine - in present in the brain, but also in connections between nerves and muscles. |
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Term
| Why are addictive drugs addictive? |
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Definition
| They usually increase dopamine levels and stimulate the parts of the brain that give feelings of reward or please. |
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Term
| What are some symptoms of Parkindons disease? |
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Definition
In order of seriousness:
* Shaking (muscle tremor)
* Stiffness (rigidity),
* Slow movement or an inability to move - shuffling
* problems with posture and balance
* speech changes - quiet, rapid,
* loss of facial expression -
* mental health problems - including depression, loss of memory, difficulty reasoning, increased anxiety and changes in behaviour
* bowel and bladder problems
* problems with swallowing
* weight loss
* increased saliva and sweating
* sleep problems and tiredness |
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