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/sci/ - Science & Math

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>> No.6779276 [View]
File: 144 KB, 386x302, volume conduction.gif [View same] [iqdb] [saucenao] [google]
6779276

>> No.2417449 [View]
File: 144 KB, 386x302, volume conduction.gif [View same] [iqdb] [saucenao] [google]
2417449

>>2417420
Yeah, because the signal involved is fucking tiny. You need silver / silver chloride electrodes with preamplifiers built into them in contact with the scalp through conducting gel, amplified by a 25.000 dollar amplifier to even be able to pick up a signal. It just doesn't conduct far enough outside of the head (pic related).

>> No.1821274 [View]
File: 144 KB, 386x302, volume conduction.gif [View same] [iqdb] [saucenao] [google]
1821274

bump

>> No.1713346 [View]
File: 144 KB, 386x302, volume conduction.gif [View same] [iqdb] [saucenao] [google]
1713346

Question for the bio/neuro fags:

So if evoked potentials can be explained by event related synchronized oscillatory activity, how can we differentiate by multiple cortical current sources or a single thalamic generator?

Pic somewhat related

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