Mount Sinai researchers have identified for the first time the neural mechanisms in the brain that regulate both positive and ...

New research shows that negative expectations, known as nocebo effects, exert a stronger and longer-lasting impact on pain perception than positive expectations, or placebo effects.

A new study finds that nocebo effects, where people expect a negative outcome from treatment, are more powerful and persistent than placebo effects, with implications for patient-practitioner ...

To make decisions, neurons assess at every moment whether the stimulus is positive or negative. If it is positive, there is a tendency to approach, while if it is negative, an aversion reaction ...

That is, a 1-unit change in underlying symptom severity corresponds to a greater expected change in per item score (second panel) for the Positive and Negative subscales than for the Full Scale or ...