S

n23

SPECTRAL SCALE

A scale of the colours of the spectrum for different light wavelengths.

SPEECH COMMUNITY

a made of speakers from one community or one language.

SPEECH-ACTIVATED CONTROL

Ergonomics. Using your voice to activate a function. It is also known as voice- activated control, speech amplification system. It

SPERMATOZOON

the name of the gamete that fuses with the female egg in fertilisation. Also called sperm.

SPINAL ANIMAL

an animal with its spinal cord cut off from its brain.

SPINOTHALAMIC TRACTS

The pathways for somatosensory impulses from the spinal cord to the thalamus. There is an anterior and a lateral. The

SPLIT RUN

a method used to test the effectiveness of advertising and other promotions by showing an advertisement to one half of

SPONTANEOUS NEURAL ACTIVITY

an apparently automatic firing of neurons, or firing in the absence of observable stimuli. See spontaneous discharge.

SPORT SOCIOLOGY

applying the theories of sociology to sport and its role in a society. Its main focus is to determine the

S-R LEARNING MODEL

a hypothesis that says learning leads to forming stimulus-response connections and is used in Pavlovian conditioning. In instrumental conditioning, the

STABLON

Trade name for tianeptine.

STAKEHOLDER

person or company who has an interest in a research project that could be a sponsor, director, service recipient. Conflict

STANDARD STIMULUS

a stimulus used as the basis of comparison for other stimuli.

STAPEDIUS MUSCLE

a muscle in the middle ear that controls movements of the stapes.

STATE-SPECIFIC SCIENCE

a concept of science as being dependent on a certain state of consciousness. It was [proposed by U.S. psychologist Charles

STATUS COMPARISON

Comparing your own abilities and status to other people.

STEM-AND-LEAF PLOT

a graphical display of data that is more detailed than a histogram.

STEREOSCOPE

device that shows 2 images that are slightly disparate that will produce a 3D image. See stereogram.

STERN, LOUIS WILLIAM

Stern was a faculty member at the University of Berlin. He later became the director of the psychological institute at

STILLER'S RIB

A floating 10th rib associated with the tendency to neurasthenia.