Tag: "smells" at medical news
Neurons generated in the adult brain learn to respond to novel stimuli
...a unique role in the brain, becoming linked to new smells
while the older neurons essentially step out of the way. And since adult-born neurons are continually being generated, there is always a group of new cells waiting to link up with new stimuli," Macklis says. "We're also seeing how the environment ca...
Neuroscientists discover new cell type that may help brain maintain memories of smells
...ties which may help the brain maintain memories of smells
and also opens a new approach to understanding the...chinery that helps the olfactory brain to remember smells
is identical to the machinery that enables other types of memories in the cortical brain region most...
Scent of fear impacts cognitive performance
...ere not aware of the nature of the smells, and the smells
did not differ on the intensity or pleasantness ratings. "We demonstrated that in humans, chemical signals from fear facilitated overall accuracy in identifying word relatedness independent of the perceived qualities of the smells," Chen said. "The...
Smell of success for nanobiosensors
...ools necessary for an electronic nose to recognise smells
the role played by the brain in the olfactory system. In this sense, new high accuracy electronic instrumentation capable of performing electrical measurements at the nanoscale level has been developed and adapted to an atomic force microscope with ...
Tongue scrapers only slightly reduce bad breath
... Bad breath is a generally accepted term for foul smells
emanating from the mouth. Oral malodor is a term reserved for unpleasant smells
originating from the oral cavity. "A common reason for bad breath is post-nasal drip, which coats th...
The smell of iron
.... The key component is called 1-octen-2-one, which smells
fungal-metallic even when highly diluted. The precursors to the odor molecules are lipid peroxides, which are produced when oils on skin are oxidized by certain enzymes or other processes (e.g. under UV light). These lipid peroxides are then decompos...
How your brain helps you become a wine expert
... the brain learns to differentiate between similar smells
simply through passive experience, shedding light ...n how we ultimately learn to identify thousands of smells
from birth. The study also revealed for the first time how and where the brain modifies and updates ...