How the brain helps us perceive, move, and experience the world.
In a lab study of couples, women's average pain score from a heated probe was 52 with their partners in the next room and 25 with the men holding their…
A transient ischemic attack, or TIA, is often called a “mini-stroke.” TIA is a condition caused by disrupted blood supply to the brain, which…
Leptin and ghrelin are two hormones that exert opposing influences in the regulation of appetite and energy balance. In this video, I discuss the…
Color blindness is a condition in which a person has difficulty seeing or distinguishing certain colors. In this video, I explain the biological mechanisms…
In this video, I discuss the neuroscience of sleep, covering sleep stages, arousal- and sleep-promoting systems in the brain, REM vs. non-REM sleep and…
Subarachnoid hemorrhage is bleeding into the subarachnoid space, the thin space between two layers of the meninges: the arachnoid mater and pia mater. Subarachnoid…
The pupillary light reflex controls the size of the pupil in response to light. When light is shined into one eye, both pupils constrict.…
The brainstem connects the brain to the spinal cord and is essential to both survival and healthy nervous system function. In this video, I…
Brown-Séquard syndrome is a rare neurological condition caused by damage to one side of the spinal cord, a situation referred to as hemisection of…
Explore the cells and structures behind perception and attention.
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