Feelings of pain and discomfort are crucial to the survival and evolution of animals, as they help to detect injuries or existential threats and pinpoint their location in the body. Pain signals are produced by nociceptors, ...
The sense of touch is essential to almost everything we do, from routine tasks at home to navigating unfamiliar terrains that may conceal dangers. Scientists have long been interested in understanding exactly how the touch ...
Nov 23, 2022
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Sensory neurons of the peripheral nervous system, which sense touch, temperature, and pain, can be permanently lost during infections and trauma, in response to certain medications, and in diabetic patients with peripheral ...
Nov 8, 2022
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The urge to vomit after eating contaminated food is the body's natural defensive response to get rid of bacterial toxins. However, the process of how our brain initiates this biological reaction upon detecting the germs remains ...
Nov 1, 2022
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Our sense of smell has a powerful effect on our behavior and emotions. Aromas can evoke vivid memories of the past or warn us of a smoldering fire. Yet to neuroscientists, smell remains the most mysterious of our five senses.
Oct 31, 2022
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Scientists at Scripps Research have developed a new tool to monitor brain plasticity—the way our brains remodel and physically adapt as we learn and experience things, from watching a movie to learning a new song or language. ...
Oct 19, 2022
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The purpose of anesthesia is to put the brain into an unconscious state in which stimuli such as sounds are not perceived. In this state, the neurons in the auditory cortex are still stimulated by sounds, but the latter are ...
Oct 12, 2022
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National Eye Institute researchers mapped the organization of human retinal cell chromatin, the fibers that package 3 billion nucleotide-long DNA molecules into compact structures that fit into chromosomes within each cell's ...
Oct 7, 2022
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Since their discovery over 100 years ago, neurons called tufted cells, in the brain's olfactory bulb, have been difficult to study. The close proximity between tufted cells and other neurons called mitral cells has restricted ...
Sep 29, 2022
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Duke scientists have identified a previously unknown barrier that separates the bloodstream from smelling cells in the upper airway of mice, likely as a way to protect the brain.
Sep 21, 2022
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