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motion detection

the ability to detect movement. Many cells in the visual system act as motion detectors, and some are also sensitive to the direction of movement.

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Psychology term of the day

May 1st 2024

Q

q

1. symbol for studentized range statistic.

2. symbol for the probability of failure in a binary trial: q = 1 – p.

Q

1. see Cochran Q test

2. see Yule’s Q.

3. symbol for a specific quartile (e.g., Q1, first quartile; Q3, third quartile).