Loss of interest (anhedonia) is a key symptom of depression. It can also be caused by anxiety, bipolar disorder, or trauma. Decreased interest can create a cycle of isolation and depression
Grief is a natural process experienced by most people at some point in life. Swiss psychiatrist Elisabeth Kübler-Ross introduced five stages in 1969. Modern models typically include seven or more stages
Stereotype is an idea used to describe a particular type of person or thing. Stereotypes can be positive (e.g., "all Asians are smart") or negative (e.g., "all blonde women are dumb"). Stereotypes are common in media, especially in sitcoms and movies
Human behavior is complex and influenced by various theories. Conditioning links stimuli to responses through classical and operant processes. Cognition theory emphasizes thoughts and inner judgments in behavior. Behavior can be categorized as molecular, moral, overt, covert, voluntary, or involuntary
The fear of long words is called sesquipedalophobia or hippopotomonstrosesquippedaliophobia. The name combines Greek words for "horse," "river," "monstrous," "foot," and "fear". The long name may encourage breaking down long words for easier pronunciation