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  • Aural Perception

    The sensory translation of physical vibrations which occur in nature.

    Auditory Nerve

    The major portion of the 8th cranial nerve. It transmits encoded auditory signals to the central nervous system and eventually to both the right and the left temporal lobes of the brain.

    Synapse

    The space between dendrites of one neuron and the terminal arbors of the axon of another neuron. While these neural "branches" don't touch, electrical signals pass across these gaps.

    Neuron

    A complete nerve cell consisting of a nerve body, dendrites, an axon and terminal arbors.

    Cell body

    The portion of the neuron which contains the cell nucleus and cytoplasm and from which protrude the dendrites.

    Dendrite

    The branches of the neuron body which receive electrical signals from the terminal arbors of other neurons.

    Axon

    The long part of the neuron which transfers impulses from the nerve body to the tips of the arbors.

    Cerebrum

    The largest part of the brain. Largely composed of grey matter. It is a sensory interpreter, controls all voluntary muscles and is the center of all mental functions associated with reasoning, intelligence, judgments and emotions. 4 areas: Frontal lobe, Parietal lobe, temporal lobe, and occipital lobe.

    Cerebellum

    Controls skeletal muscles, coordination of voluntary muscles, receives and sends impulses but is not a reflex center. Composed of neurons with large and long axons.

    Brain Stem

    A collective term for all the brain parts except the cerebellum and cerebrum. Includes the medulla, midbrain, thalamus, hypothalamus, and pituitary glands.

    Sound Localization

    Identification of the origin of a sound in space.

    Biofeedback

    Techniques predicated upon information received from some internal body function upon which conscious will is exerted in order to make modifications on the internal process.

    EEG

    The printout or graph of brain wave patterns from an instrument that amplifies electrical fluctuations of the brain.

    Consonance

    A combination of sounds which seem at repose with each other without conflict. The absence of roughness.

    Dissonance

    A combination of sounds which are perceived to be at conflict with each other. Rough or harsh intervals.

    Temperament

    Configuration of tones based upon the natural harmonic series that have been adjusted upward or downward to form a particular musical system.

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