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LOUDNESS LEVEL

is the level of decibels for a piece of music or simply sound in SPI.

LSI) 1

otherwise known as lysergic acid diethylamide is a strong hallucinogen (a drug which induces hallucinations). LSD as a molecule closely

LUNACY

was a term historically used to describe a period or collection of symptoms associated with mental illness.

LYMPHOCYTES

or T cells are a type of lymphocyte involved in the immune response. They develop in the thymus gland and

LEAD-PIPE RIGIDITY

observed in sufferers of Parkinson's disease and Cerebral Palsy. It is a condition resulting in muscular rigidity resisting slow and

LEARNING MODEL

a model which attempts to explain human development and behaviour which highlights the potential influence of any environmental factors on

LEAST SIGNIFICANT DIFFERENCE (LSD)

a measure which allows researchers to factor for any type I errors at a pre-specified confidence level.

LEGEND

a story which has significant meaning within a culture or society which is typically passed down to successive generations from

LEPTIN

a protein which is stored and secreted by fat cells which swell to accommodate the fat levels in the blood.

LEUKOTOMY (LEUCOTOMY)

a psychosurgical procedure where the frontal lobes of the human brain were physically cut from the deeper grey matter centres

LEVORPHANOL

is a pain killing drug which is reportedly four to six times more potent as other analgesics such as morphine.

LIBIDO

First named by Sigmund Freud, the libido is an individuals psychic energy non-specific. It is an individuals general life energy.

LIFE PLAN

the plan or pre-planned sequence of events each reliant on the preceding stage leading to a main goal or aim.

LIFETIME RISK

the potential for an individual to be diagnosed with a disease or condition during their lifetime. Risks of developing certain

LIMBIC LOBE

is comprised of the cingulate gyrus, parahippocampal gyrus and hippocampal formation forms the fifth subdivision of each cerebral hemisphere.

LINEAR MODEL

describes a model which attempts to explain empirical data which is linear in its parameters. In other words, a model

LINGUISTIC DETERMINISM

a hypothesis first proposed by the U.S. linguists Edward Sapir (1884 - 1939) and Benjamin Lee Whorf (1897 - 1941)

LIQUID

otherwise known as fluid speech, where speech is frictionless and produced smoothly.

LITTERING

the removal of rubbish, usually by throwing it away onto the ground in a public area.

LOCATION CONSTANCY

the tendency for, even after the observer has moved position relative to the object, the object seems to be in