Carly2289
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I'm year 13 and revising biopsychology for mock exams this month. In the 'ways of studying the brain' section, event related potentials are under the title of scanning techniques but I'm really confused because when reading the paragraph about it, it doesn't sound like a way of studying the brain, it sounds more like something that is studied?

I might just be reading it all wrong but I'm really confused about what event related potentials actually are and how they fit into the topic of ways of studying the brain?

Thank you in advance to anyone that can help! x
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makami11
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(Original post by Carly2289)
I'm year 13 and revising biopsychology for mock exams this month. In the 'ways of studying the brain' section, event related potentials are under the title of scanning techniques but I'm really confused because when reading the paragraph about it, it doesn't sound like a way of studying the brain, it sounds more like something that is studied?

I might just be reading it all wrong but I'm really confused about what event related potentials actually are and how they fit into the topic of ways of studying the brain?

Thank you in advance to anyone that can help! x
ERP's on a whole is a scanning technique because electrodes are placed on the scalp, which picks up signals (as events) from the brain. The actual ERP is the wave (response) that occurs after a stimulus is presented to a participant (for example a picture/sound) and the researcher looks for activity related to that stimulus.

Hope this helps!
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Carly2289
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(Original post by makami11)
ERP's on a whole is a scanning technique because electrodes are placed on the scalp, which picks up signals (as events) from the brain. The actual ERP is the wave (response) that occurs after a stimulus is presented to a participant (for example a picture/sound) and the researcher looks for activity related to that stimulus.

Hope this helps!
Oh ok, thank you! So is it sort of like an electroencephalogram?
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makami11
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(Original post by Carly2289)
Oh ok, thank you! So is it sort of like an electroencephalogram?
Yep, it is like an EEG, as they both attach electrodes to the scalp, but EEGs are slightly different as the electrodes pick up electrical charges from the brain, and forms a wave pattern that comes out onto a graph!

This site tutor2u explains it quite well: https://www.tutor2u.net/psychology/r...oencephalogram

And they also have videos that helped me during my exam: https://www.tutor2u.net/psychology/r...y-topic-videos
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Carly2289
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(Original post by makami11)
Yep, it is like an EEG, as they both attach electrodes to the scalp, but EEGs are slightly different as the electrodes pick up electrical charges from the brain, and forms a wave pattern that comes out onto a graph!

This site tutor2u explains it quite well: https://www.tutor2u.net/psychology/r...oencephalogram

And they also have videos that helped me during my exam: https://www.tutor2u.net/psychology/r...y-topic-videos
Thank you so much! I normally find psychology easy to understand, but ERPs are just the one small part I've never been able to understand! Thank you!!
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