Before revision: First discovered by psychologist and neurophysiologist Michael von Grünau and his psychology student Christina Marie Anston using human subjects (von Grünau and Anston 1995 ) , the processing advantage associated with this effect is thought to derive from the importance of eye contact as a cue for social interactions.
After revision: First discovered by psychologist and neurophysiologist Michael von Grünau and his psychology student Christina Marie Anston using human subjects in 1995 , the processing advantage associated with this effect is thought to derive from the importance of eye contact as a cue for social interactions.