Ways of Studying the Brain (OCR A-Level Psychology): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
What does fMRI detect to study brain activity?
What does fMRI detect to study brain activity?
Changes in oxygen levels in blood
What is the spatial resolution of fMRI?
What is the spatial resolution of fMRI?
1-2mm
Why does fMRI have better spatial resolution than EEG?
Why does fMRI have better spatial resolution than EEG?
EEG only detects activity on the cortex
What is a limitation of fMRI regarding temporal resolution?
What is a limitation of fMRI regarding temporal resolution?
It has poor temporal resolution
What does EEG measure?
What does EEG measure?
Electrical activity in the brain
How frequently does EEG take readings?
How frequently does EEG take readings?
Every millisecond
Which illnesses can EEG be used to detect?
Which illnesses can EEG be used to detect?
Epilepsy and Alzheimer's
What is a limitation of EEG?
What is a limitation of EEG?
Poor spatial resolution
What are ERPs?
What are ERPs?
Small electrical signals in response to a stimulus
How are ERPs identified from background brain activity?
How are ERPs identified from background brain activity?
Average response over all trials is graphed
What makes ERP impractical as a research method?
What makes ERP impractical as a research method?
Requires large number of trials
What advantage do post-mortem examinations offer?
What advantage do post-mortem examinations offer?
Very high level of detail
Why can't post-mortems establish solid cause-and-effect relationships?
Why can't post-mortems establish solid cause-and-effect relationships?
No info on when abnormalities developed