introduction to neurophschology

Question 1

what is the amygadala?

Answer 1

located deep inside temporal lobe - proccessing emotions - linked to agressive behaviour

Question 2

cognitive neuroscience?

Answer 2

scientific study of the influence of brain structures in mental proccesses

Question 3

aim of cognitive neuroscience?

Answer 3

make a map of the brain

Question 4

cognition?

Answer 4

mental proccesses of mind

Question 5

effects of stroke?

Answer 5

blood supply is interupted because of blockage or brain bleed - damage to motor area effect movement - fine movement or complex movements

Question 6

CT scanner?

Answer 6

examined by x rays - lies in dohnut shape scanner - rotates around them - images are taken from different angles - cross section of a persons brain - put all of these togehter

Question 7

strengths (CT scans)

Answer 7

they can reveal abnormal structures of the brain - higher detail than normal x rays

Question 8

weakness?

Answer 8

lot’s of radiation - as there is alot of detail to the picture so they are not able to be used often

Question 9

PET scans?

Answer 9

record which part of your brain is the most active - inject a radioactive substance called a radiotracer - when this is taken up it shows the most active areas of the brain will absorb most of it - sent to computer - appear different colours - red and yellow are the most active brain areas - more actove than the blue areas

Question 10

strengths?

Answer 10

pet scans are able to show the brain in action and can show localisation of function

Question 11

weakness?

Answer 11

extremely expensive - results may not be easy to interprit - ethical issues to do with the injection - technique is only able to be used a few times