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Bidwell’s ghost

a second visual afterimage that appears in a hue complementary to the stimulus. Also called Purkinje afterimage. [Shelford Bidwell (1848–1909), British physicist]

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Psychology term of the day

November 27th 2024

respiratory sinus arrhythmia (RSA)

Sorry, "respiratory-sinus-arrhythmia-rsa" is not in the Dictionary of Psychology. Please report to APA if you believe this is an error.