Following injury or damage, insulin plays a key role in the maturation and regeneration of immature olfactory sensory neurons.
Researchers recently localised and identified the most important types of nerve cells involved in forming positive and negative memories of a fruit fly. All four nerve cell types they discovered use dopamine to communicate with other nerve cells. Three of the nerve cell types assume various functions in mediating negative stimuli, while the fourth enables the fly to form positive memories.
A new study reports that being pleasantly surprised or disappointed with a certain food product can change a person's mood.
A new study supports olfactory testing as an early method to detect those at risk of developing dementia.