01:42
Interpretations: Perceptual Constancy
The fact that we can glance at someone coming toward us and recognize them instantly as a friend regardless of angle, distance, or light conditions is a remarkable human capacity known as perceptual constancy. This flexibility enables us to take a p...
02:17
Connections: Sensing the World: The Absolute Threshold
The minimum stimulation necessary to detect reliability a particular stimuli is called the absolute threshold. Thresholds can vary depending on a person's experience and expectations, or level of fatigue. A remarkable quality of the human mind is it...