This reaction also happens when your baby is startled by a sudden movement, bright light, or loud sound. ‌This is the Moro reflex. It was first described by Ernst Moro in 1918. It can be seen ...

Not the brain, but only the spinal cord is involved in reflex actions, which occur fast and automatically. For example, the pupils of your eyes change accordingly to the amount of light.

In fact, this is the tonic neck reflex. Here’s what you need to know. The tonic neck reflex begins about 18 weeks after conception. That’s right — the associated movements start in the womb.

Photic sneeze reflex is a condition triggered by exposure to bright light. Around 35% of the population has this reflex. Sneezing is a natural response that removes irritants from your nose.

The study entitled "Multisensory signals inhibit pupillary light reflex: Evidence from pupil oscillation" has been published in Psychophysiology. More information: Xiangyong Yuan et al ...