Effects of identical context on visual pattern recognition by pigeons

From: Learning & Behavior | Date: February 1, 2005| Author: Donis, Francisco J; Chase, Sheila; Heinemann, Eric G | Copyright information

The effects of identical context on pattern recognition by pigeons for outline drawings of faces were investigated by training pigeons to identify (Experiment 1) and categorize (Experiment 2) these stimuli according to the orientation of the mouth-an upright U shape representing a smiling mouth or an inverted U shape representing a sad mouth. These target stimuli were presented alone (Pair 1), with three dots in a triangular orientation to represent a nose and eyes (Pair 2), and with the face...

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