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Speech Science 1

TermDefinition
Hypothalmus Deals with blood pressure, body tempeture, hunger, thirst, sense of fullness when eating, sleep, sex drive, and mood regulation
White mass Inner mass of the brain
Mel-Scale Ways to measure pitch, frequncy is half the mels
Waveform shows sound amplitude variations over time
Line Spectrum shows sound amplitude at a single instance of time
Sound spectrograph shows a visual representation of the spectrum of freqencies of a signial as it varies with time
Pure Tone Single Freqency genrated when an object vibrates in a simple harmonic motion graphed as a sinosudal wave
Frontal Lobe responsible for reasoning
Phase Cycle of vibration begins at any point and ends at the identical point on the next wave
Temporal Lobe Responsible for managing emotions, understanding language, retreving and storing memories
Autonomic nervous system network of nerves that controls the body's processes uncounciously
Period The time (usually in seconds) that it takes for a vibrator to complete one entire cycle of the vibration
Frequency number of sound waves per second (measured in Hertz)
Somatic nervous system Consiously relays information from the senses to the brain, and relays brain signals to the body
Peripheral nervous system Composed of the somatic and autonomic nervous system
Wavelength The distance a sound can travel during one complete cycle
Periodic complex waves consists of frequencies that are systemically related to each other
Inverse Square Law A law that states the amplitude of a sound at a given distance from the sound source is inversely proportional to the square of the distance of the point of measurement from the sound space
Pons Coordinates facial movements, hearing, and balance
Pareital Lobe Responsible for self-preception
Thalamus Relays sensory and motor information, directs and priortizes attention, consisousness, cognition, and memory
Occipital Lobe (center for visual processing) distance and depth preception
Resonance When a object vibrates with greater amplitude because its exposed to vibrations at the frequency that matches its natural frequency
Complex Tone Has two or more frequencies
Sharply-Tuned Resonator device that responds to a very limited number of frequncies slow to reach maximum amplitude slow to cease
Longitudal Wave Movements of molecules in a medium, move in the same direction as the wave movement
Transverse Wave particles of a medium move perpendicular to the direction of the wave
Cycle A vibarator movement from rest postion to maximum displacemement in one direction, to rest, to maximum displacement in the opposite direction and back to rest again
6th Cranial Nerve Abducens
9th Cranial Nerve Glossopharyngeal
5th Cranial Nerve Trigeminal
4th Cranial Nerve Trochlear
11th Cranial Nerve Acessory
Broadly tuned resonator reach maximum amplitude quickly and stop vibrations soon after they spund to which the responding has ceased
Speaker-Listener Model Feedback Types Auditory, Kinesthetic proprioceptive, proprioceptive, and tactile
Speech Chain Physiological level Speaker: nerve impluses sent to motor nerves, vocal cords, and articulators Listener: recieve sound (pressure) changes and produce nerve impulses
Speech Chain Acoustic Level Speaker: send acoustic (speech) sound to self and the listener
Speech Chain Lingustic Level Speaker: arranges thoughts and organize thoughts into lingustic word forms Listener: nerve impluses and activities occur in the brain
Aperiodic complex waves aperodic vibrations have no such perodic pattern and are mostly random noises of various sorts
Created by: user-1986842
 

 



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