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SOUND

the variation in pressure over time in medium that is elastic like air and water. It is not always audible.

SOURCE LANGUAGE

1. The language as a starting point to learn a new language. 2. The language that a translation is made

SPASTIC PARALYSIS

a paralysis of increased muscle tension caused by the damage to upper motor neurons and can occur in cerebral palsy.

SPAYING

The surgical removal of a female animal

SPECIES SPECIFICITY OF LANGUAGE

a theory that language is innate to homosapiens. See language origin theory; task specificity of language.

SPECIFICITY THEORY

a theory that the pain mechanism, like hearing and vision, is a specific modality that has its own central and

SPECTRUM OF CONSCIOUSNESS

1. Psychology. The full range of psychological and spiritual experiences. 2. Neuroscience. The full range of awareness. See conscious.

SPEECH INTELLIGIBILITY

the degree that a person's speech can be understood by other people. Have a look on articulation index.

SPEED-ACCURACY TRADEOFF

the tendency when doing a task to go for speed or accuracy. One is sacrificed to support the other. While

SPHINCTER CONTROL

the ability to open and close these muscles that are on openings in our bodies. It is important for physical

SPINAL GANGLION

found at the dorsal root of spinal nerves that contains sensory neurons.

SPIRITUALISM

1. Metaphysics. The fundamental reality of the universe is not material. 2. The belief that spirits of dead people live

SPONGIOBLAST

An ectodermal cell able to develop into cells of the neuroglia.

SPOONERISM

a slip of the tongue where the first 2 letters of 2 successive words are transposed.

SPOTLIGHT MODEL OF ATTENTION

a model of attention like a spotlight on something.

SSIMILATION EFFECT

an effect seen in psychology experiments where the person's judgement will shift toward an anchor when it introduced. You can

STAGE 3 SLEEP

slow wave stage with spindles mixed in with higher amplitude delta waves. Have a look on sleep stages.

STANDARD

A basis for evaluating the worth of something and how it should be. It is just like a general idea

STANDARDIZED TEST

test that is reliable with clearly defined norms.

STATE ANXIETY

the anxiety in response to a specific situation perceived to be dangerous or threatening. Compare it with trait anxiety.