If your test statistic is symmetrically distributed, you can select one of three alternative hypotheses. Two of these correspond to one-tailed tests and one corresponds to a two-tailed test.However, the p-value presented is (almost always) for a two-tailed test.his means that .05 is in one tail of the distribution of your test statistic. When using a one-tailed test, you are testing for the possibility of the relationship in one direction and completely disregarding the possibility of a relationship in the other direction.
Different parts of the brain control different human behaviors. 1. The Amygdala is an almond-shaped set of neurons located deep within the brain's medial temporal lobe. It plays a key role in processing emotions, and is linked to both fear and pleasure in humans and other animals.
Amygdala: The amygdala is part of the limbic system, a group of structures deep in the brain that's associated with emotions such as anger, pleasure, sorrow, fear, and sexual arousal. The amygdala is activated when a person recalls emotionally charged memories, such as a frightening situation.