3. Determine how unusual your data must be before it can be considered significant. Many statisticians consider being 95% sure that the null hypothesis is false as a minimum for statistical significance (giving a p-value of 0.05).This is the confidence level.. Determine how unusual your data must be before it can be considered significant. Many statisticians consider being 95% sure that the null hypothesis is false as a minimum for statistical significance (giving a p-value of 0.05). This is the confidence level.
The role of the amygdala is to set off fear and anger instantly, without conscious thought, so that a person can freeze or run away from danger, Dr. Young said. But the emotion of fear does not reside exclusively in the amygdala because it can be elicited from memory and other brain states.
The scientist's case exemplifies a new advance in understanding explosive anger: that the most common cause is brain injury or neurological disease, and that there are now medications that can control it far more effectively than can the approaches most commonly used by psychiatrists.