This in turn induces negative selection on the current form of the parasite while leading to positive selection of variants that cannot be recognized by the host. Furthermore, if such variant ...

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 ...

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 ...