Glossary L

Ludwig Wittgenstein (1889 - 1951) argued that philosophical debates are over the meaning of words rather than over some truth or truths that exist independently of linguistic conventions. Wittgenstein argued, in other words, that philosophical debates are over language games. He also argued that the ancient concept of essence should be replaced by the concept of family resemblance.

Lugubrious means mournful, dismal, especially in an exaggerated or affected manner.

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Lumbar refers to the lower end of the spine, usually known as the "small of the back", is known as the lumbar spine. It is an area that may be strained or tired when an individual is seated for extended periods. Office chairs, backrests, or back pillows may be designed to provide lumbar support.

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Lumbar plexus refers to group of spinal nerves composed of L1 through L4 and some fibers from T12, generally responsible for motor and sensory function of the lower abdomen and the anterior and medial portions of the lower extremity.

Lumbar puncture which is also known as a Spinal tap is defined as a medical technique for collecting a specimen of cerebrospinal fluid surrounding the spinal cord for diagnostic study.

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Deutsch: Mittagessen / Español: Almuerzo / Português: Almoço / Français: Déjeuner / Italian: Pranzo

Lunch in the psychology context refers to the mid-day meal and its effects on mental and emotional well-being, cognitive performance, and social interactions.

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Luria-Nebraska battery refers to a Neuropsychological test battery that assesses abilities over 11 sub-test groupings. Studies have supported the reliability and diagnostic validity of the battery, which takes less time to administer than the Halstead-Reitan.

Luteinizing hormone (LH) which is also called "Interstitial cell stimulating hormone" refers to a surge of LH stimulates ovulation in middle of menstrual cycle; LH stimulates testosterone production in men. Luteinizing hormone (LH), moreover, is the anterior pituitary hormone that stimulates the release of an ovum