I am pretty sure it is the trichromatic theory because all or nothing is about neurons, opponent process wouldn't be it, Rod and cone is about the light we take in the colour etc. I would go for trichromatic. not 100% though
What one thinks about another visualizes .
The correct answer is: "Unexpected, related or possible related to the research, suggests the research puts subjects or others at greater risk"
The OHRP defines an unticipated problem in the scenario of a research involving human participants. Defining the problem as unanticipated means that it was not foreseen at all when detailing the possible risks for the parcipants of the study on when those were asked to sign a consent form. It is also unanticipated in the sense that the problem which have aroused does not match in terms of likelihood with the characteristics of the specific individual suffering it.
Such term does not refer to some inconvenience with minimum consequences, but it suggest that the problem occurring affects the research subjects or others and places them at a greater risk of harm - physical, psychological, economic ,etc.- than was anticipated before the research.
