For most people, any reference to hypnosis brings to mind images of individuals involved in amusing, and often out of character, behavior. However, hypnosis is also a topic of scientific research. Research by scientists over the last few decades has revealed ways in which memory processes, and processes involved in pain perception can be changed using hypnosis. It has also been found that hypnotic suggestions can regulate activity in identifiable sections of the brain and can contribute to the effective management of cognitive conflict. Findings from several related brain imaging studies, for example, have suggested that people under hypnosis cab exhibit reduced level of brain activity in both visual area and the anterior cingulate cortex. Disparate research has already established the role of these brain structures in the monitoring the cognitive conflict.

Question: Scientific research on the effects of hypnosis on memory and pain perception started a few decades ago.
Options:
A. true, B. false, C. uncertain
Answer: "A"