Updating p300 an integrative theory of p3a and p3b
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The signal is typically measured most strongly by the electrodes covering the parietal lobe.
By searching Pub Med, Embase and Cochrane Library databases, a meta-analysis of P300 component difference between ASD group and typically developed (TD) control group was conducted.
Results of amplitude and latency of P3b and P3a from included studies were synthesized.
More specifically, the P300 is thought to reflect processes involved in stimulus evaluation or categorization.
It is usually elicited using the oddball paradigm, in which low-probability target items are mixed with high-probability non-target (or "standard") items.