Your co-worker surprised you with a chocolate chip cookie, but a teammate took a dig at your report. As the day goes on, you’re more likely to dwell on the criticism than the act of kindness. Negative ...

Bacteria with thick peptidoglycan are called gram positive. If the peptidoglycan layer is thin, it's classified as gram negative. A gram-positive bacillus doesn't have an outer cell wall beyond ...

Specifically, serotonin acting on the serotonin 1B receptor generates a positive impression of a social encounter, while neurotensin acting on the neurotensin 1 receptor creates a negative impression.

Researchers have identified the neural mechanisms in the brain that regulate both positive and negative impressions of a social encounter, as well as how an imbalance between the two could lead to ...