Theories Flashcards

1
Q

Aggression

A

Behaviour intended to cause injury psychological or physical. Establish or maintain dominance

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2
Q

Frontal lobe

A

High order reasoning
Decision making
Impulse control

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3
Q

Parietal lobe

A

Sensation and movement

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4
Q

Temporal lobe

A

Emotion and memory

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5
Q

Occipital lobe

A

Vision

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6
Q

Limbic system

A

Regulate emotional responses

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7
Q

Hypothalamus

A

Controls Flights or fight

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8
Q

Spinal cord

A

Consist of nerves that carry incoming and outgoing messages between brain and the body

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9
Q

Dendrites

A

Receptors Receives neurotransmitters
Found on cell body

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10
Q

Axon

A

Carries electrical Impulse

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11
Q

Where is electrical Impulse generated

A

Axon hillock

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12
Q

Myelin sheath /terminal buttons

A

Insulates the axon

Have vesicles that contain neutransmittter that diffuse from presynaptic neuron to post

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13
Q

What needs to happen before Neurotransmission can take place
Btw _ mv to _mv

A

Neuron is resting negatively charged at -70mV
-70mV to -55mV reached voltage needed to fire
Eletrical signal travels down the terminal buttons where neurotransmitters are released

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14
Q

Excitation and inhibition

A

More positive more negative
Promote firing suppress firing

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15
Q

Cancellation

A

Both Excit and inhibit cancel each other out

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16
Q

Spatial summation

A

Excit potentials from many neurons trigger threshold

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17
Q

Temporal summation

A

Many excit potenticals from one neuron triggers threshold

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18
Q

Cocaine definition

A

Stimulant drug connects to frontal lobe

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19
Q

What is the part of the brain cocaine reaches

A

Nucleus accumbens

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20
Q

What is the nucleus accumbens linked too

21
Q

Action of cocaine

A

Neurotransmitters is fired
Presynaptic neuron reabsorbed the excess dopamine back into cell
Cocaine then blocks the dopamine transporter
Causes a higher concentration dopamine to bind to postsynaptic neuron
Causinga feeling of pleasure

22
Q

Long term effects of cocaine edut

A

Downregulated dopamine receptors
Fewer active receptors
Quantity of dopamine declines and experience withdrawal

23
Q

Heroin

A

Opioid drug that slows down CNS activity including neurons that process pain

24
Q

Where does heroin act on

A

Neurons with opoid receptors in cerebral cortex

25
Action of heroin on opioid receptors
Opioid receptors tell your cerebral cortex to release endorphins Heroin occupies the Mu receptors for more neurotransmissions to take place producing and excess level of endorphins
26
What does heroin occupy
MU receptors
27
What do you feel with heroin
Euphoria and pleasure
28
Long term effects of heroin
Opioid receptors become down regulated and fewer receptors are active Quantity of opioid is brain declines causing with drawers pains and craving of the drug Less endorphins are made overtime to compensate for the overaload
29
Amygdala:Explain
Processes emotions regulation and motivation. Threat perception, overactivity in amygdala would cause an increase in aggressive as everyone may pose as a threat to your persons and is more likely for you to carry out violent acts
30
Prefrontal cortex Explain
Impulse control Decision making and higher order reasoning Underactivity would cause an increase in aggressive as there is a lack of reasoning and impulse control which would make someone act out before thinking
31
Hypothalamus
Fight or flight responses Makes the body tense up and become very alert Overactivity in the hypothalamus could increase aggression levels as one would always be ready to fight someone who activates their fight or flight response
32
Localisation of function
Specific areas of the brain does a specific task Give an example
33
Serotonin and uts link to aggression
Reduces neuronal activity Lower levels of serotonin Lesser levels of self control and more impulsive behavior such as aggression
34
Dopamine and its link to aggressikn
Gives experience of reward An increase in dopamine = increase impulsivity and aggres
35
What is a hormone Give an example What does it cause Why is it slow acting or fast acting explain ur answer
Chemicals injected into bloodstream by endocrine system Example-testosterone Causing variation in human anatomy They are slower acting due to amount of time it takes for them to enter the bloodstream
36
Testosterone
Higher quantities in males and at an increase during puberty Increase in testosterone increases the levels of aggression in males
37
Cortisol
Manages stress levels and Inhibits aggression and increase in cortisol would influence a decrease in aggression
38
Genes
Set of instructions that determine organisms like it's appearance Genes change by mutation
39
Natural selection
Mutation due to environment we live in for survive and passed down over to our offspring over many generations till the all have adapted to the change
40
Role of evolution and natural selection to explain aggression (Ao1)
Aggression = increases survival chances and increases reproductive success Aggression gene= lower maoa gene so less self control more impulsive Aggression-assert dominance and social status Aggression- buss suggest males have come up with methods to prevent partners from straying -mate retention
41
Usefulness of aggression
Gain territory resources and negotiate status Scare off potential competitors or figh for resources for survival Buss argued that males have developed methods for mate retention such as threats of violence and self harm to prevent straying this ensures his genes are past on and inhibits in rival offspring due to adultery
42
What are the sources of aggression according to freud and what are the called
Eros Thanatos Inner drives
43
Eros Function
Life instinct Eros redirects destructivenature of thanatos away from self and onto other
44
Thanatos
Death instinct
45
Id
Internal desires the push you do do things Operates on pleasure principle Demands satisfaction of ur urges For eros-sexual or food For thanatos- aggression
46
Superego
Suppress the Id tell based on social boundaries Operates under moral principle Demands you follow morals If ppl are able to control them selves they feel pride and satisfaction
47
Ego
Helps you cope with I'd urges when it can't be immediately be released Operates under reality principles Redirect I'd desires through sublimation and displacement
48
Displacement
Aggression > someone of high = ❌️(not acceptable) I.e boss he could sack you so you redirect it > a more available substitute=✅️ someone of less power. I.e child can't do shit
49
Sublimation
Displace emotion in constructive and socially acceptable way rather than destructive activity