Older adults with a higher ability to process sensations, including vision, olfaction, hearing, and touch, had half the risk of being diagnosed with cognitive decline than their peers who were less capable at sensory processing tasks.
Infection of non-neuronal supporting cells in the nose and forebrain may be responsible for the olfactory problems associated with COVID-19. Findings suggest olfactory sensory neurons are not vulnerable to coronavirus infection as they do not express ACE2.
Women who experience unexplained repeated pregnancy loss (uRPL) process olfactory signals related to male body odor differently to other women. Those who experience uRPL are better able to identify the smell of their spouse.
The sense of taste in female mosquitoes is specially tuned to detect at least four different substances in blood.
Study finds olfaction plays a significant role in the motivation to exercise. Mice who were "high runners" developed genetic differences in their olfactory systems that caused them to perceive smells differently than more sedentary mice.
Trained scent detection dogs are able to detect organic compounds associated with COVID-19 in patients. Researchers report the dogs are better at detecting coronavirus infection than standard tests.