Study Shows Possibility of Smell Function To Get Better

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Distortion in the sense of smell is a factor that affects the totality of an individual even though this is not a noticeable condition and mostly not being bother. The loss of the sense of smell is connected to some neurologic impairment like Alzheimer’s disease (memory, thingking and behavioral impairment), Parkinson’s disease (degenerative brain condition that leads to tremors and uncoordinated body movements), schizophrenia (mental alteration that leads to behavioral, cognitive and even physical malfunction), and even normal aging. However, the mechanism remains vague.

The forebrain is where the cranial nerve 1 innervates. The cranial nerve 1 is the olfactory nerve that serves as the sensory pathway of the sense of smell. Unlike other nerves, the olfactory nerve comes directly connected with the brain making the sensory perceived, which is the particular smell, can be easily stored as a memory in the frontal lobe of the brain. Because of which, the olfactory sense is also related to the emotion that can be elicited by an individual. Indeed that this sense contributes to the holistic function of the body and any distortion of this should also be addressed.

It is proposed in a study that sense of smell can be improved. A new study that suggests olfactory function can be improved was conducted by the scientists at NYU Langone Medical Center. The Lead researcher, Dr. Wilson PhD, professor of child and adolescent psychiatry at NYU Langone Medical Center and senior research scientist at the Emotional Brain Institute at Nathan S. Kline Institute for Psychiatric Research, and Julie Chapuis, PhD, a post-doctoral fellow, conducted a laboratory experiment and research using rats and mixture of several chemicals to be identified and exposure medium of the rats. Several trials were done to depict the patterns of the smell reflecting the function of the olfactory organ.

Reward was also given to the rats by letting them drink water after recognizing smells. Electrodes were also connected into the olfactory bulb, piriform, to record and monitor the brainwave patterns of the rats as they get along with the smells. Resulting conclusion leads to different brainwaves pattern into the different stimuli that were given to the rats.

“Our findings suggest that while olfactory impairment may reflect real damage to the sensory system, in some cases it may be a ‘use it or lose it’ phenomenon,” says Dr. Wilson. This opens the door for potential smell training therapies that could help restore smell function in some cases. “Odor training could help fix broken noses,” he says.




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