Pleasure: Sensation of enjoyment or gratification.Pleasure-Pain Principle: The psychoanalytic concept that man instinctively seeks to avoid pain and discomfort and strives for gratification and pleasure.Anhedonia: Inability to experience pleasure due to impairment or dysfunction of normal psychological and neurobiological mechanisms. It is a symptom of many PSYCHOTIC DISORDERS (e.g., DEPRESSIVE DISORDER, MAJOR; and SCHIZOPHRENIA).Orgasm: The climax of sexual excitement in either humans or animals.HumanitiesHappiness: Highly pleasant emotion characterized by outward manifestations of gratification; joy.Philosophy: A love or pursuit of wisdom. A search for the underlying causes and principles of reality. (Webster, 3d ed)Reward: An object or a situation that can serve to reinforce a response, to satisfy a motive, or to afford pleasure.Motivation: Those factors which cause an organism to behave or act in either a goal-seeking or satisfying manner. They may be influenced by physiological drives or by external stimuli.Lubricants: Compounds that provide LUBRICATION between surfaces in order to reduce FRICTION.Coitus: The sexual union of a male and a female, a term used for human only.Apathy: Lack of emotion or emotional expression; a disorder of motivation that persists over time.Ethics: The philosophy or code pertaining to what is ideal in human character and conduct. Also, the field of study dealing with the principles of morality.Emotions: Those affective states which can be experienced and have arousing and motivational properties.Masturbation: Sexual stimulation or gratification of the self.Affective Symptoms: Mood or emotional responses dissonant with or inappropriate to the behavior and/or stimulus.Men: Human males as cultural, psychological, sociological, political, and economic entities.Affect: The feeling-tone accompaniment of an idea or mental representation. It is the most direct psychic derivative of instinct and the psychic representative of the various bodily changes by means of which instincts manifest themselves.Sexual Behavior: Sexual activities of humans.Set (Psychology): Readiness to think or respond in a predetermined way when confronted with a problem or stimulus situation.Individuality: Those psychological characteristics which differentiate individuals from one another.Contraception Behavior: Behavior patterns of those practicing CONTRACEPTION.Libido: The psychic drive or energy associated with sexual instinct in the broad sense (pleasure and love-object seeking). It may also connote the psychic energy associated with instincts in general that motivate behavior.Condoms: A sheath that is worn over the penis during sexual behavior in order to prevent pregnancy or spread of sexually transmitted disease.Sexual Dysfunction, Physiological: Physiological disturbances in normal sexual performance in either the male or the female.Sexual Dysfunctions, Psychological: Disturbances in sexual desire and the psychophysiologic changes that characterize the sexual response cycle and cause marked distress and interpersonal difficulty. (APA, DSM-IV, 1994)Anthropology, Cultural: It is the study of social phenomena which characterize the learned, shared, and transmitted social activities of particular ethnic groups with focus on the causes, consequences, and complexities of human social and cultural variability.Taste: The ability to detect chemicals through gustatory receptors in the mouth, including those on the TONGUE; the PALATE; the PHARYNX; and the EPIGLOTTIS.Questionnaires: Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.Arousal: Cortical vigilance or readiness of tone, presumed to be in response to sensory stimulation via the reticular activating system.Schizotypal Personality Disorder: A personality disorder in which there are oddities of thought (magical thinking, paranoid ideation, suspiciousness), perception (illusions, depersonalization), speech (digressive, vague, overelaborate), and behavior (inappropriate affect in social interactions, frequently social isolation) that are not severe enough to characterize schizophrenia.Bathing Beaches: Beaches, both natural and man-made, used for bathing and other activities.Encyclopedias as Topic: Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)Cooking and Eating UtensilsSodium Oxybate: The sodium salt of 4-hydroxybutyric acid. It is used for both induction and maintenance of ANESTHESIA.Gravitation: Acceleration produced by the mutual attraction of two masses, and of magnitude inversely proportional to the square of the distance between the two centers of mass. It is also the force imparted by the earth, moon, or a planet to an object near its surface. (From NASA Thesaurus, 1988)Designer Drugs: Drugs designed and synthesized, often for illegal street use, by modification of existing drug structures (e.g., amphetamines). Of special interest are MPTP (a reverse ester of meperidine), MDA (3,4-methylenedioxyamphetamine), and MDMA (3,4-methylenedioxymethamphetamine). Many drugs act on the aminergic system, the physiologically active biogenic amines.Viscum album: A plant species of the family VISCACEAE, order Santalales, subclass Rosidae. This is the traditional mistletoe of literature and Christmas. Members contain viscotoxin (5 kDa basic polypeptides related to thionins), beta-galactoside- and N-acetyl-D-galactosamine-specific lectin II (60 kDa), and polysaccharides. Mistletoe lectin I is a type 2 ribosome-inactivating protein. Commercial extracts include Plenosol, Eurixor, Helixor Isorel, Iscador, and NSC 635089 (ANTINEOPLASTIC AGENTS, PHYTOGENIC).Chenopodium album: A plant species in the CHENOPODIUM genus known for edible greens.Music: Sound that expresses emotion through rhythm, melody, and harmony.Gravity Suits: Double-layered inflatable suits which, when inflated, exert pressure on the lower part of the wearer's body. The suits are used to improve or stabilize the circulatory state, i.e., to prevent hypotension, control hemorrhage, and regulate blood pressure. The suits are also used by pilots under positive acceleration.Ribosome Inactivating Proteins, Type 2: Ribosome inactivating proteins consisting of two polypeptide chains, the toxic A subunit and a lectin B subunit, linked by disulfide bridges. The lectin portion binds to cell surfaces and facilitates transport into the ENDOPLASMIC RETICULUM.Euphoria: An exaggerated feeling of physical and emotional well-being not consonant with apparent stimuli or events; usually of psychologic origin, but also seen in organic brain disease and toxic states.PaintingsAphorisms and Proverbs as Topic: Short popular sayings effectively expressing or astutely professing general truths or useful thoughts. (From Random House Unabridged Dictionary, 2d ed, p97, p1556)AustriaGermanyPolandFolklore: The common orally transmitted traditions, myths, festivals, songs, superstitions, and stories of all peoples.Los AngelesRestaurantsPalate: The structure that forms the roof of the mouth. It consists of the anterior hard palate (PALATE, HARD) and the posterior soft palate (PALATE, SOFT).Cleft Palate: Congenital fissure of the soft and/or hard palate, due to faulty fusion.Palate, Hard: The anteriorly located rigid section of the PALATE.Palate, Soft: A movable fold suspended from the posterior border of the hard palate. The uvula hangs from the middle of the lower border.