In environmental science, experimental design is an extremely important part of the scientific method. When a scientist seeks to prove or disprove a hypothesis, he or she must carefully design the experiment so that it tests only one thing, or variable.
Borderline personality disorder (BPD), also known as emotionally unstable personality disorder, is a long term pattern of abnormal behavior characterized by unstable relationships with other people, unstable sense of self, and unstable emotions.
Most people with borderline personality disorder have a biological defect in the way they regulate mood and emotion. The amygdala, a device in the brain, helps us to regulate our negative emotions. People with borderline personality disorder have amygdalas that do not function properly. In these cases it is thought that a front portion of the brain may be dampening the effect of the amygdala, causing severe mood swings and abnormal behavior. Symptoms of Borderline Personality Disorder. There are numerous borderline personality disorder symptoms.