Dementia is a progressive loss of cognitive function, marked by memory problems, trouble communicating, impaired judgment, and confused thinking. Dementia most often occurs around age 65 and older but is a more severe form of decline than normal aging. People who develop dementia may lose the ability to regulate their emotions, especially anger, and their personalities may change.| 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
Cognition refers, quite simply, to thinking. There are the obvious applications of conscious reasoning—doing taxes, playing chess, deconstructing Macbeth—but thought takes many subtler forms, such as interpreting sensory input, guiding physical actions, and empathizing with others.| 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
Sleep is the balm that soothes and restores after a long day. Sleep is largely driven by the body’s internal clock, which takes cues from external elements such as sunlight and temperature. The body’s natural sleep-and-wake cycle is reasonably attuned to a 24-hour period.| 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
Psychotherapy, also called talk therapy or usually just "therapy," is a form of treatment aimed at relieving emotional distress and mental health problems. Provided by any of a variety of trained professionals—psychiatrists, psychologists, social workers, or licensed counselors—it involves examining and gaining insight into life choices and difficulties faced by individuals, couples, or families. Therapy sessions refer to structured meetings between a licensed provider and a client with a...| Psychology Today
Nutrients fuel the body and brain's energy needs. This fuel allows humans to function and flourish—to breathe, to speak, to play, to learn, and to reproduce. Humans evolved under very different circumstances than today; sustenance was often in short supply, and it was advantageous to snatch up sugars and fats that could provide a boost of energy. These evolutionary roots are at odds with the modern world, in which food is, in many places, overabundant. Cravings can be difficult to control. ...| Psychology Today
Why humans dream remains one of behavioral science's great unanswered questions. Dreams have a purpose but it may not be to send us messages about self-improvement or the future, as many believe. Instead, many researchers now believe that dreaming mediates memory consolidation and mood regulation, a process a little like overnight therapy.| 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