Effect of Drugs and Disorder of the Nervous System (Leaving Cert Biology): Flashcards
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14 cards from this deck
How drugs affect the nervous system
How drugs affect the nervous system
Alter impulse transmission across synapses by changing neurotransmitter production or breakdown rate
Type of drug cannabis acts as in low doses
Type of drug cannabis acts as in low doses
Depressant
Cannabis effects on coordination & memory
Cannabis effects on coordination & memory
Slows coordination, perception, timing, short-term memory
Long-term cannabis effects
Long-term cannabis effects
Weakens immune system, impairs mental functions, reduces sperm/testosterone levels
Neurotransmitter affected by cocaine
Neurotransmitter affected by cocaine
Dopamine
Cocaine's effect on dopamine
Cocaine's effect on dopamine
Prevents normal breakdown of dopamine
Mechanism of cocaine addiction
Mechanism of cocaine addiction
Body produces less dopamine, needs more cocaine to feel normal
Neurotransmitter affected by ecstasy
Neurotransmitter affected by ecstasy
Serotonin
Ecstasy's effect on nerve cells
Ecstasy's effect on nerve cells
Releases all stored serotonin at once, damages axons
Dangerous body temp. from ecstasy use
Dangerous body temp. from ecstasy use
43°C - can cause blood to clot
Type of disease Parkinson's is
Type of disease Parkinson's is
Degenerative disease of nervous system
Cause of Parkinson's disease
Cause of Parkinson's disease
Inability to produce dopamine in part of brain
Main symptoms of Parkinson's disease
Main symptoms of Parkinson's disease
Shaking/trembling, difficulty walking, stiff/rigid body
Treatments for Parkinson's disease
Treatments for Parkinson's disease
Physiotherapy, exercises, levodopa drug