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
From hoarding to handwashing to forever checking the stove, obsessive-compulsive disorder (OCD) takes many forms. It is an anxiety disorder that traps people in repetitive thoughts and behavioral rituals that can be completely disabling.| 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
Self-control—or the ability to manage one's impulses, emotions, and behaviors to achieve long-term goals—is what separates humans from the rest of the animal kingdom. Self-control is primarily rooted in the prefrontal cortex—the planning, problem-solving, and decision making center of the brain—which is significantly larger in humans than in other mammals.| 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
Guilt is aversive and—like shame, embarrassment, or pride—has been described as a self-conscious emotion, involving reflection on oneself. People may feel guilt for a variety of reasons, including acts they have committed (or think that they committed), a failure to do something they should have done, or thoughts that they think are morally wrong.| Psychology Today
Stress generally refers to two things: the psychological perception of pressure, on the one hand, and the body's response to it, on the other, which involves multiple systems, from metabolism to muscles to memory. Some stress is necessary for all living systems; it is the means by which they encounter and respond to the challenges and uncertainties of existence. The perception of danger sets off an automatic response system, known as the fight-or-flight response, that, activated through hormo...| Psychology Today
Memory is the faculty by which the brain encodes, stores, and retrieves information. It is a record of experience that guides future action.| Psychology Today
The ability to pay attention to important things—and ignore the rest—has been a crucial survival skill throughout human history. Attention can help us focus our awareness on a particular aspect of our environment, important decisions, or the thoughts in our head. Maintaining focus is a perennial challenge for individuals of all ages, and people have long sought out strategies, tricks, and medications to help them stay on track.| Psychology Today
The term social media is generally used to describe internet-based websites and applications where users can participate in conversations, connect with other people, share their thoughts, and otherwise engage in social networking in a virtual environment. Between them, social media platforms like Facebook, Twitter/X, Instagram, and TikTok attract billions of daily users around the world.| Psychology Today