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
Genetics is the study of genes and the variation of characteristics that are influenced by genes—including physical and psychological characteristics. All human traits, from one's height to one's fear of heights, are driven by a complex interplay between the expression of inherited genes and feedback from the environment.| Psychology Today
Everybody has a rich inner landscape contoured by emotions; they not only give meaning and color to everyday experience, but emotions commonly influence decision-making. They may be humanity’s earliest guide to how to get basic needs met. Yet science is not quite clear what emotions are. Whether they are inborn, genetically determined reactions, each with its own mechanism; patterns of response to stimuli, each distinctively etched into neural circuitry; or in-the-moment interpretations of ...| Psychology Today
Anger is one of the basic human emotions, as elemental as happiness, sadness, anxiety, or disgust. These emotions are tied to basic survival and were honed over the course of human history.| Psychology Today
If people didn’t feel fear, they wouldn’t be able to protect themselves from legitimate threats. Fear is a vital response to physical and emotional danger that has been pivotal throughout human evolution, but especially in ancient times when men and women regularly faced life-or-death situations.| 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
Hormones are a class of signaling molecules that exist in all multi-cell organisms and, in humans, include commonly-known examples like melatonin, testosterone, and cortisol. They influence the health and functioning of the body and brain in a wide variety of ways; on a psychological level, they affect mood, how we behave, who we’re attracted to (or not), and more.| Psychology Today
"The grey drizzle of horror," author William Styron memorably called depression. The mood disorder may descend seemingly out of the blue, or it may come on the heels of a defeat or personal loss, producing persistent feelings of sadness, worthlessness, hopelessness, helplessness, pessimism, or guilt.| 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
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