A-LevelPsychologyBiological approach9990/12 · Feb/Mar 2018 · Q14 Marks

From the study by Dement and Kleitman (sleep and dreams):

(a)Name the technique used to measure brain activity.[1]
(b)Identify one reason for using this technique to measure brain activity.[1]
(c)Outline one of the dreams reported when vertical eye movement was recorded.[2]

Mark scheme

Marking points from the official mark scheme (Feb/Mar 2018). The mark or mark type is shown in brackets.

[1] EEG/electroencephalogram/electroencephalograph (accept incorrect spelling if the meaning is clear)
[1] To identify when a person was in REM/nREM sleep/which stage of sleep; To analyse the brain wave patterns (of participants); The measure provided is objective; The measure provided is reliable; There are other creditworthy reasons
[1 mark - partial answer] [2 marks - full answer] Standing at the bottom of a cliff (1 mark) operating sort of hoist machine (1 mark) Climbing a set of ladders (1 mark) looking up and down as they did (1 mark) Throwing basketballs at a hoop (1 mark) then looking up at net/down to pick up another ball (1 mark)

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