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SONIC PATHFINDER

Trademark for a mobility assistance device a person wears on their head when they are vision impaired. A tone lets

SOUND CHANGE

Linguistics. a change over time in the phonological language patterns. Modern languages are different from the original languages used many

SOURCE MEMORY

Being able to remember the origin of a memory or of the knowledge of how we came to have that

SPASTICITY

the increased state of tension of resting muscles that results in a resistance to stretch. It is caused by damage

SPEARMAN'S G

A factor in Charles Spearman's Theory of intelligence represented by the factor G.

SPECIES-SPECIFIC DEFENSE REACTION (SSDR)

a defence reaction to adverse stimuli when another is absent. This bias determines the rate of learning an organism may

SPECIFIC-STATUS CHARACTERISTICS

These are behavioural and personal characteristics that are relevant to a setting that are taken into account when making judgements.

SPECULATIVE PSYCHOLOGY

view that is based on speculation and not research and experiments. Also read armchair psychology; rational psychology.

SPEECH PERCEPTION

a psychological process where the listener processes the speech in to a phonological presentation.

SPELL

1. Hypnotic influence. 2. Lay term for a mental or physical disorder.

SPHINGOMYELIN

a phospholipid occurring in animal cell membranes.

SPINAL MUSCULAR ATROPHY (SMA)

a hereditary motor neuron disease, characterized by wasting, atrophy, and of skeletal muscles associated with degeneration of nerve cells in

SPIROGRAPH

used to measure and to record the rate and volume of our breathing.

SPONTANEITY TRAINING

Spontaneity training is a personality-training program where a client learns to act naturally and spontaneously in real-life situations by practicing

SPORT AND EXERCISE PSYCHOLOGY

the application and development of psychological theory for the understanding of human behaviour in the sport and physical exercise environment

SPREADING ACTIVATION

1. Neuroscience. The hypothetical process where the activation of one neuron spreads to others. 2. Cognitive psychology. A model for

SST 1

an abbreviation for self-statement training, single session therapy, social skills training and stimulus sampling theory.

STAGE FRIGHT

a reaction of anxiety when a person is expected to do public speaking or is to perform in public. You

STANDARD DEVIATION

a measure of dispersion in scores, whether they are narrowly or broadly dispersed around the mean.

STANFORD ACHIEVEMENT TEST

multiple choice and open ended question used to measure progress in language, spelling, listening, mathematics, science and social science. There