Psychology & Psychiatry

The human sense of smell: It's stronger than we think

When it comes to our sense of smell, we have been led to believe that animals win out over humans: No way can we compete with dogs and rodents, some of the best sniffers in the animal kingdom.

Medical research

Nose's response to odors more than just a simple sum of parts

Take a sniff of a freshly poured glass of wine, and the prevailing scientific thinking would suggest that the harmony of fragrances involves sensory receptors in the nose simply adding up the individual odors they encounter. ...

Diseases, Conditions, Syndromes

COVID-19—smell, taste and recovery of flavor

2020 was a doozy of a year, to say the least! As 2021 continues to transition us out of the COVID-19 pandemic thanks to global public health efforts, we are often left with questions about the lingering health effects of ...

Genetics

Gene switch for odorant receptors

The olfactory sensory neurons in the nasal mucosa perceive the myriad smells in the air with the aid of odorant receptors. Each sensory neuron chooses one and only one receptor gene for expression. The probability that a ...

Neuroscience

Fish courtship pheromone uses the brain's smell pathway

Research at the RIKEN Brain Science Institute in Japan has revealed that a molecule involved in fish reproduction activates the brain via the nose. The pheromone is released by female zebrafish and sensed by smell receptors ...

Neuroscience

Quantifying how the brain smells

Scientists haven't quite decoded how animals smell, but researchers at Cold Spring Harbor Laboratory (CSHL) found that it's different from previously thought.

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