EEG study of the neural representation and classification of semantic categories of animals vs tools in young and elderly participants

Using a narrow sliding window to extract features (width of 25 ms, moving in steps of 10 ms) over the period 200 ms before to 1000 ms after stimulus onset, we found that the accuracy peaks higher and earlier in the younger subjects (Figure 1B ), but the contrast only approached significance with the current sample size.

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