People close their eyes while kissing to allow the brain to properly focus on the task in hand, psychologists have said.
A study on vision and tactile sensory experience at Royal Holloway, University of London, concluded the brain finds it difficult to process another sense while also concentrating on the visual stimuli. [...]
Tactile alerts are used in as warning systems in some cars and aeroplanes, both of which demand a high level of visual concentration.
“For example, some cars now provide tactile alerts when they begin drifting across lanes. Our research suggests that drivers will be less likely to notice these alerts when engaging in demanding visual tasks such as searching for directions at a busy junction,” Dr Murphy added.
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