Sentences with phrase «triggered by odors»

Kenyon cells make up only about 4 % of the entire fly brain and are extremely sensitive to inputs triggered by odors, in which only two connections between neurons, called synapses, separate them from the receptor cells at the «front end» of the olfactory system.

Not exact matches

Dulac also tracked brain activity triggered by predator and infant odors.

Sexually transmitted infections caused by bacteria, such as chlamydia and gonorrhea, can trigger a foul, unpleasant odor, which Dr. Landa describes as like «pus from a wound,» though not all women will experience this.

Scientists believe that disgust evolved as a defensive mechanism to keep us from being contaminated by external sources.1 Accordingly, the mouth and the vagina, two body parts that lie at the border of the body (and are therefore at a higher risk for contamination), demonstrate greater disgust sensitivity; for example, we are likely to be especially grossed out by having a spider crawling on / around the mouth or vagina compared to, say, the left arm.2 Add to this the finding that some of the strongest triggers for disgust are body odor, saliva, semen, and sweat, all heavily involved when getting «down and dirty,» and you can see how the relation between sex and disgust seems contradictory or even obstructive.