Sentences with phrase «smell signals in the brain»

Not exact matches

After the incoming smell signal pattern is processed, this information is sent to different parts of the brain, including regions involved in memory and emotion, as well as to the cortex, where thinking takes place.

Dulac and her colleagues tracked brain activity in the medial amygdala, an almond - shaped structure that transmits smell signals to the hypothalamus.

Studies in animals indicated that in branches of the nerve that exit from the back of the brain and wrap around various parts of the face and head, overactive cells would respond to typically benign lights, sounds and smells by releasing chemicals that transmit pain signals and cause migraine.

In the same way, smelling a familiar, relaxing scent every night moments before we hit the pillow can send a strong and comforting signal to our over-wired, over-stimulated brains to prepare for sleep.

The received notion, as I understand it, is that molecules of a particular oderant have a unique shape that will latch on to some of the five or six million receptors in our olfactory area and thus trigger signals that cause the brain to register a particular smell.

fMRI scans of males» brain activity after smelling tears revealed that males» brains had less activity in regions associated with sexual arousal, which suggests that odorless tears contain a chemical signal that men unconsciously detect.