IN 1934, Adrian and Matthews 1 showed that rhythmic electrical potential changes could be recorded from the occiput in man when the subject's eyes were illuminated by a bright flickering light.
Bright light can also trigger sneezing for certain people. "It's called a photic sneeze, which (happens) when you look at the sun or any bright light," says Lane. The photic sneeze reflex is an ...
Sneezing is a powerful reflex that can reach speeds up to 100 mph. It can be triggered by bright light or eyebrow plucking. Historical and cultural responses to sneezing, like saying 'God bless ...
All records were obtained while the patient was awake and resting, asleep and under standardized conditions of provocation — that is, hyperventilation, photic stimulation and audio stimulation.