Anxiety is both a mental and physical state of negative expectation. Mentally it is characterized by increased arousal and apprehension tortured into distressing worry, and physically by unpleasant activation of multiple body systems—all to facilitate response to an unknown danger, whether real or imagined.| Psychology Today
Psychopathy is a condition characterized by the absence of empathy and the blunting of other affective states. Callousness, detachment, and a lack of empathy enable psychopaths to be highly manipulative. Nevertheless, psychopathy is among the most difficult disorders to spot. Psychopaths can appear normal, even charming. Underneath, they lack any semblance of conscience. Their antisocial nature inclines them often (but by no means always) to criminality.| Psychology Today
The Diagnostic and Statistical Manual of Mental Disorders (DSM) is a guidebook widely used by mental health professionals—especially those in the United States—in the diagnosis of many mental health conditions. The DSM is published by the American Psychiatric Association and has been revised multiple times since it was first introduced in 1952.| Psychology Today
Human development is influenced by, but not entirely determined by, our parents and our genes. Children may have very different personalities, and different strengths and weaknesses, than the generation that preceded them. Caregivers should pay attention to their children's distinct traits and the pace of their development, and not assume that the approach to parenting that worked for their mothers and fathers will be equally successful in their own families.| Psychology Today
Adolescence is the transitional stage from childhood to adulthood that occurs between ages 13 and 19. The physical and psychological changes that take place in adolescence often start earlier, during the preteen or "tween" years: between ages 9 and 12.| Psychology Today
From eccentric and introverted to boisterous and bold, the human personality is a complex and colorful thing. Personality refers to a person's distinctive patterns of thinking, feeling, and behaving. It derives from a mix of innate dispositions and inclinations along with environmental factors and experiences. Although personality can change over a lifetime, one's core personality traits tend to remain relatively consistent during adulthood.| Psychology Today
Personality disorders are deeply ingrained, rigid ways of thinking and behaving that result in impaired relationships with others and often cause distress for the individual who experiences them. Many mental health professionals formally recognize 10 disorders that fall into three clusters, although there is known to be much overlap between the categories. Cluster A disorders are characterized by odd or eccentric patterns of thinking, such as extreme social detachment, distrust, or unusual be...| Psychology Today
Reading a road map upside-down, excelling at chess, and generating synonyms for "brilliant" may seem like three different skills. But each is thought to be a measurable indicator of general intelligence or "g," a construct that includes problem-solving ability, spatial manipulation, and language acquisition that is relatively stable across a person's lifetime.| Psychology Today