TMS lecture extra

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  • Created by: CanveySam
  • Created on: 10-05-15 16:54
Why should you use a control condition in TMS?
Because effects might be due to something else e.g. noise, environment etc
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Give examples of TMS control conditions
Tilt coil (still noisy but tilt means magnetic field not affecting neurons) and sham condition (still noisy). Also use other hemisphere as control condition
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What is unique about TMS
time course - helps identify when an effect happens.
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what is unusual about the short pulse of TMS
A short pulse of 1ms can have effects lasting tens of ms
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Pop out search (visual search)
Search times are quick - stands out immediately
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conjunction search (visual search)
combination of features define the target with multi factor distractor
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Visual search has been implicated in ...
Posterior parietal cortex
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Difference between TMS and tDCS?
tDCS applies direct current not induce current. TMS is harder to sham, requires trained coil holder, more exp, more powerful and therefore slight inc risk of seizure
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What can tACS do?
Stimulate a particular wave in the brain e.g. alpha waves - just set machine
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Other cards in this set

Card 2

Front

Give examples of TMS control conditions

Back

Tilt coil (still noisy but tilt means magnetic field not affecting neurons) and sham condition (still noisy). Also use other hemisphere as control condition

Card 3

Front

What is unique about TMS

Back

Preview of the front of card 3

Card 4

Front

what is unusual about the short pulse of TMS

Back

Preview of the front of card 4

Card 5

Front

Pop out search (visual search)

Back

Preview of the front of card 5
View more cards

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