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P300

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8 Terms

1

P300

A significant positive deflection in the EEG signal occurring around 300 ms post stimulus, linked to cognitive processes like attention and memory.

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2

Oddball Paradigm

Presentations of repetitive stimuli occasionally interrupted by a deviant stimulus, used to study P300 components.

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3

P3a and P3b

Components of P300 theory, where P3a is related to frontal attention mechanisms and P3b to temporal-parietal activity associated with attention and memory.

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4

Amplitude and Latency

Amplitude is the difference between baseline voltage and the largest peak, while latency measures the speed of stimulus classification and evaluation.

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5

Cognitive Processing

P300 is a marker for cognitive processing related to attention, reflecting the brain's response to surprising or novel events.

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6

Variability Factors

Factors affecting P300 variability include circadian rhythms, age, intelligence, genetics, and neurotransmitter functions.

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7

Executive Control

Inhibition, working memory, and cognitive flexibility are part of executive control, crucial for success in schools and can be assessed using P3 amplitude and latency.

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8

Aerobic Exercise

Associated with increased P3 amplitude and faster P3 latency, potentially influencing attention and working memory resources in preadolescent children.

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