ERP's in Sentence Processing Flashcards
oddball test
train of repeated stimuli with occasional change in stimuli (oddball)
violation test
sentence with semantically, syntactically or morphologically unacceptable words
Mismatch negativity
recorded on deviant stimuli in oddball test at 150 ms
PMN appears in…
violation test
250-300 speak after onset
The N400
negative polarity
strongest in parietal and central electrodes
also seen in picture test (not just about hearing words)
where does it come from?
-250 ms pSTG, pMTG
-365 ms inferior/anterior temporal region
-370-500 ms includes frontal regions
P600
positive polarity
strongest in central/parietal lobes
happens in..
-pMTG, inferior frontal parietal corticies -basal ganglia
(E)LAN
early left anterior negativity
- detected in connection with parse structure violations
- 100-300 ms after onset
- LAN occurs in N400 time window on left electrodes