[Solved] Falls in the elderly are the most common cause of traumatic brain injury in the United States. Stressful Life: A condition characterized by high levels of stress, often due to a combination of personal, professional, and social pressures. Erotic Wishes: Desires or longings that are related to sexual instincts and expressions of love. Freud: Refers to Sigmund Freud, the Austrian neurologist and founder of psychoanalysis, a method for treating psychopathology through dialogue between a patient and a psychoanalyst. Stressful Life Events: Situations or occurrences that cause significant stress, challenging an individual's ability to cope.