What is the definition of implicit learning? How to measure it?

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Definition of Implicit Learning

Implicit learning is the acquisition of complex information in an unintentional manner, without conscious awareness of what has been learned. It occurs through passive, incidental exposure to stimuli with an underlying structure, allowing individuals to extract patterns and develop instincts for new information.

Measuring Implicit Learning

Implicit learning is typically measured using paradigms like the Serial Reaction Time (SRT) task, which involves responding to a sequence of stimuli. Improved performance over time, even without awareness of the sequence, indicates implicit learning. Other methods include artificial grammar learning tasks and probabilistic classification tasks. Researchers assess implicit learning by comparing performance under implicit conditions to explicit learning conditions, where participants are informed of the structure beforehand.