1.1.1 Neurotransmitters (Bi) Flashcards Preview

A Level Psychology > 1.1.1 Neurotransmitters (Bi) > Flashcards

Flashcards in 1.1.1 Neurotransmitters (Bi) Deck (29):
1

What are neurones?

Nerve cells that process and transmit electrochemical messages

2

What do multiple neurones form?

A pathway

3

Do neurons physically connect?

No

4

What are the gaps between neurons?

Synapses

5

How does the message get across the synapse?

By neurotransmitters

6

What are neurotransmitters?

Electrochemical messengers that transfer messages across synaptic gaps from one neuron to the next

7

What is re-uptake

The re-absorption of neurotransmitters (neurotransmitters can also be broken down)

8

What do different neurotransmitters have?

Different effects on behaviour

9

What is serotonin and what is it involved in?

A neurotransmitter involved in:
•sleep
•arousal levels
•emotional experience

10

What are low levels of serotonin associated with?

• mood disorders
• eating disorders
• sleep disorders

11

Give an example of a mood disorder that low levels of serotonin are linked with:

• Depression

12

Give examples of behaviour associated with depression:

• withdrawal from activities
• self harm
• low personal hygiene

13

Give an example of an eating disorder low levels of serotonin is associated with:

Bulimia

14

Give examples of behaviours associated with bulimia:

• binging
• purging

15

Give an example of a sleeping disorder low levels of serotonin are associated with:

• insomnia

16

Give an example of a behaviour associated with insomnia:

• difficulty getting to sleep and staying asleep

17

What does the neurotransmitter assumption say?

Behaviour can be explained in terms of neurotransmitter activity

18

What is ACh?

The neurotransmitter associate with memory consolidation

19

What is loss of ACh associated with?

Memory loss in Alzheimer's disease

20

What are behaviours associated with Alzheimer's?

• sudden mood swings
• unpredicted violence

21

What is dopamine?

The neurotransmitter involved in learning, arousal and pleasure

22

What are high levels of dopamine associated with?

• addictions
• positive symptoms of schizophrenia (delusions and hallucinations)

23

What is ACh?

The neurotransmitter associate with memory consolidation

24

What is loss of ACh associated with?

Memory loss in Alzheimer's disease

25

What are behaviours associated with Alzheimer's?

• sudden mood swings
• unpredicted violence

26

What is dopamine?

The neurotransmitter involved in learning, arousal and pleasure

27

What are high levels of dopamine associated with?

• addictions
• positive symptoms of schizophrenia (delusions and hallucinations)

28

What is GABA?

Neurotransmitter which reduces the excitability of neurons and has a calming effect on the brain

29

What are low levels of GABA associated with?

Anxiety, people become short tempered and withdraw from activities

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