The back of the eye is lined with a layer of specialized light-sensitive neurons in the retina, arranged in a mosaic, called photoreceptors. Each photoreceptor has a tapered elongated shape—like a bottle—oriented perpendicular to the retina and pointing toward the pupil of the eye. The... click to read more

The brain regulates changes in its own blood flow depending on how active its cells (neurons) are, by a mechanism called neurovascular coupling. When neurons become active, they send messages to nearby blood vessels causing them to dilate and bring in more blood. This increased... click to read more

Smell is one of the fundamental senses in life: responsible for the recognition of environmental hazards, such as gas leaks, smoke inhalation, and spoiled foods, and yet also essential to our ability to enjoy meals beyond simple nourishment, appreciate the scents that define our environment,... click to read more

Alzheimer’s disease (AD) is a brain disorder that progressively damages memory and thinking capabilities, eventually leading to losing the ability to communicate and carry out the daily activities. The prevalence of AD is significantly higher in women compared to men; more than two thirds of... click to read more

Do you want to marry your partner? Do you want to quit your job? And perhaps more importantly, how sure are you about it? Even for “yes or no” questions, our decisions cannot be reduced to black or white. Decisions always come with a sense... click to read more