Does watching someone else relieve a nagging itch spark the same impulse in you? A study in mice suggests contagious itching may have evolved as a reflex to protect animals from threats. Now, Chen and ...

The keen practitioner can gain helpful information simply by assessing pupillary responses. The pupils will offer substantial insight into one’s ocular health and the state of the visual pathways ...

Incoming information from the retina is channeled into two pathways in the brain's visual system: one that's responsible for processing color and fine spatial detail, and another that's involved in ...

Reflexes are automatic and involuntary actions the body produces in response to certain stimuli. While some reflexes can involve muscles and movement, others involve internal processes within the body ...

Extensive research in human cognitive neuroscience has enabled detailed documentation of the functional organization of the cortex. This organization represents regions that are specifically engaged ...