When you have consumed a substance enough times your body gets addicted and dependant on it
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What are some symptoms of addiction?
Withdrawal symptoms, sweating, cravings and financial troubles
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What is the 'reward pathway'?
It is also referred to as the 'dopamine pathway'. When we do something pleasurable dopamine is released which activates the pathway making us enjoy the task
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What did Olds and Milner show?
That there were most likely pleasure centres in our brain part of the motivation system
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How did Olds and Milner show their findings?
They got rats to press a lever for a reward and they found the rats would still press the lever to gain food, drink and sex even if they were shocked for doing so
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How do drugs work generally?
They cause an increase in neurotransmitters and block the re-uptake so more of these are hovering around the pathways
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What is desensitisation to drugs?
This is where a person has taken the substance enough times that it no longer has effects like it would on the first time. This means the person must take more for them receptor to react
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What is drug withdrawal?
These are symptoms that occur when a person stops taking the substance they are addicted to
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Give examples of the symptoms you experience through withdrawl
Sweating, sickness, depression and anxiety
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Other cards in this set
Card 2
Front
What are some symptoms of addiction?
Back
Withdrawal symptoms, sweating, cravings and financial troubles
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