Exam 1 Flashcards
Language
One of many cognitive abilities made possible by our minds
What does it mean when we say the mind is structured?
They mean each cognitive ability works in a very specific way
What is structure?
It is a constraint and limitation
What is the language faculty
Way of referring to all of the cognitive abilities abilities that give rise to language in humans. But more specifically it is a set of abilities that allow us to convert from physical signals like sound or visual signs to thoughts!
During comprehension…
The language faculty turns speech sounds (or signs in sign language) into complex meanings
During productions..
The language faculty turns complex meanings into motor commands for the vocal tract or hands in sign language
Phoneme
The smallest segment of speech that leads to a meaningful difference between words
Cognitive test for phonemes
If the changed sound leads to a different word, then the two sounds are both distinct phonemes in the language! (Rake lake, l and r are different phonemes )
What’s the problem with the alphabet?
There is no one to one relationship between symbols (letters) and phonemes
Sound
Is a wave that travels through the air. This means that a sound wave is a disturbance in air pressure
Sound waves
Are longitudinal waves meaning the oscillation moves in the same direction as the disturbance
Waves in the ocean
Are transverse waves, meaning the oscillation is perpendicular to the direction the disturbance is moving
Properties of waves
Amplitude and frequency
Amplitude
Measure of force applied to an area of air during compression. It’s effect is change in loudness
Frequency
Measure of number of compression cycles that a wave completed in a given unit of time. Effect is change in pitch
Do amplitude and frequency affect phonemes?
No
Two components to your voice
Vocal folds and vocal tract
Vocal tract
Acts as a filter to the sound created by your vocal folds. The shape of your oral cavity and pharynx directly affect the properties of the sound
Vocal folds
Are the source of your sound
The mind
A set of cognitive abilities, perception memory language emotions free will decision making etc
Fundamental frequency
The lowest frequency generated by a sound source. For your voice this is the basic pitch that you hear
Harmonics
The additional frequencies that are created by the source. There is one harmonic at each integer multiple of the F0.
Property of your voice: frequencies
Your vocal folds create a large set of frequencies simultaneously
Filtering by your vocal tract
The shape of your vocal tract changes the amplitude of the frequencies created by your vocal folds.
The difference between phonemes
Is the difference in the pattern of frequencies that are created by the filtering properties of the vocal tract
Formants
The highest amplitude peaks in the frequency spectrum created by the human vocal tract (after filtering)
Can you hear the different frequencies in speech? (Formats)
No
Formants are a great example of structure in the human mind
You can’t hear the distinct formants in speech.
The properties of the vocal cords (source)
Frequency and amplitude, are not critical to speech sounds
Properties of the vocal tract (the filter) are critical?
Yes
Sine wave speech
Isolating just the formants in speech. Somewhat unintelligible
Ipa
Set of symbols to represent each phoneme
Are formants different for different phonemes?
Yes
Representation
Object that stands in a symbolic relationship with another object
Mental representation
A representation made by your mind, how you interact with the world, created by your mind through your sensory systems
When you hear a sound…
You are perceiving the minds representation of the air vibrations based in the workings of the hearing system
The McGurk effect
Suggests we fuse audio and visual info during the perception of speech
Articulatory features
Property of a phoneme that is related to the way it is produced
Another way to think about phonemes is as
Gross motor commands, each phoneme may have several articulatory features, especially if it takes several different simultaneous motor commands to produce a given phoneme
Articulatory features are used to
Identify and describe a phoneme
Articulatory features of vowels
Height: is the tongue high or low
Backness: is the tongue forward or back
Monopthongs
Fancy word for single vowels
Diphthongs
Double vowel, a vowel that starts with the tongue in one location in the mouth and ends with it in a second location. Done quickly so it only takes up the place of a single vowel
Articulatory features of consonants
Place of articulation, manner of articulation, voicing
Place of articulation
Where in the vocal tract is the airflow being obstructed?
Manner of articulation
How is the airflow being obstructed?
Voicing
Are the vocal cords vibrating during this obstruction or not?
Manners of articulation
Stops, nasals, fricatives, affricates, laterals, approximants
Stops
The airflow is completely obstructed BPTDGK
Nasals
The airflow is diverted to the nasal cavity NM
Fricatives
The airflow is disturbed but not completely stopped FVThSh
Affricates
A stop plus a fricative Ch J
Laterals
The tongue blocks the air but air escapes around the sides L
Approximants
Not much obstruction, similar to vowels RY
Do the vocal cords have to vibrate to create necessary frequency for vowels?
Yes
Consonants
Obstructions to airflow. Can be voiced or voiceless
Voiced
Let the vocal cords vibrate during the obstruction
Voiceless
Stop the vocal cords from vibration during the obstruction
Language is actually
A sequence of phonemes
Not every sound can appear next to any other sound…
There are patterns in the sequences that we use
Gap in the paradigm
Tr cannot be put at the beginning of a syllable
Another gap in the paradigm
You will never find a plural s after a voiced consonant. And you will never find a plural z after a voiceless consonant
Phonological theory
Study of the patterns of sequences of sounds in language in phonology