midterm 2 Flashcards

1
Q

probe-tone technique

A

participants listen to a stimulus context, then rate a following tone (the “probe tone”) for goodness-of-fit with the context; limitations of study include that people have different ideas of goodness-of-fit ratings, so could use a priming task that is a tuning task

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2
Q

Carol Krumhansl

A

perhaps the world’s foremost music psychologist; did groundbreaking work on the perception of key and tonality, pioneering the probe-tone technique and key profiles; established that key is psychologically real for listeners in general, even without musical training

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3
Q

key profile

A

developed by Carol Krumhansl; a graphical representation of how people perceive different scale degrees; a vector of 12 values, representing 12 pitch classes relative to a given key; gives us a representation of each key

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4
Q

corpus study

A

a large body of musical works, analyzed statistically in some way

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5
Q

Schoenberg’s chart of regions

A

a spatial representation of key relations; “Circle of fifths” on one axis, alternating; “parallel/relative” relations on the other axis

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6
Q

rhythm

A

the organization of events in time; contained in all music

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7
Q

meter

A

a regular framework of beats (points in time, understood as accented); typically have several levels of beats

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8
Q

phenomenal accent

A

defined by Lerdahl and Jackendoff; something in the music that causes us to infer a strong beat there

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9
Q

tactus

A

the main beat level that we tap or move to

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10
Q

syncopation

A

when accents and meter conflict

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11
Q

transitional probabilities

A

given a pitch, determining which pitch likely follows next; the statistics of which syllables appear together

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12
Q

entrainment

A

perceiving meter and synchronizing motions with it; motor in animals, such as “vocal learning” ability (“mimics”)

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13
Q

reversal (or gap-fill)

A

after a leap, we expect a change of direction

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14
Q

inertia

A

after a step, we expect to keep going in the same direction

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15
Q

priming study

A

after “familiarization,” have subjects perform some task which indicates the expectedness of the continuation indirectly (i.e., play a context and have subjects generate their most expected continuation); an indirect method in studying music expectation; you infer expectation from the response, given a context; facilitates the processing of expected events

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16
Q

Markov model

A

the probability of one thing, given another thing; can be constructed for many different musical features; advantages include statistical learning, can be learned from data, can be learned and modeled by a computer; disadvantages include complex due to many parameters, does not recognize any other general principles

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17
Q

Leonard Meyer

A

one of the founders of music psychology; argued that expectation is at the root of our emotional response to music (“plays” with our expectations); wrote the book Emotion and Meaning in Music (1956), which helped lay the foundations for music psychology; very influenced by the behaviorist thinking of the time (learned, not innate); undifferentiated view of emotion (arousal, not different kinds of emotion); emphasized “statistical” learning

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18
Q

David Huron

A

posed three kinds of expectation (schematic, dynamic, veridical)

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19
Q

schematic expectation

A

based on general musical knowledge (or knowledge of a style)

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20
Q

dynamic expectation

A

expectation set up by patterns during the course of a piece

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21
Q

veridical expectation

A

based on long-term knowledge of a specific piece (if you’ve heard it before)

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22
Q

ITPRA theory

A

Huron’s theory of expectation and how it relates to emotion; five categories of expectancy responses that explain a wide range of emotional responses to music; imagination, tension, prediction, reaction, appraisal (see notes for more info)

23
Q

amusia

A

extreme lack of musical ability (tone deafness); inability to recognize familiar melodies, inability to make very obvious perceptual distinctions (rising versus falling interval), inability to produce certain pitch or rhythmic patterns; usually also lack of emotional responses to music; ~4% of population; acquired or congenital

24
Q

double dissociation

A

some people have amusia without aphasia, while others have aphasia without amusia (speaking vs. singing); if one perceptual ability is intact while the other is impaired, they must be processed in a different location in the brain (Peretz)

25
MBEA
Montreal Battery for Evaluation of Amusia; developed in Isabelle Peretz's lab; melodic tests, meter ID (categorization), memory (surprise identification test); studied amusia
26
aphasia
impaired language
27
nPVI
normalized pairwise variability index; measures duration differences between adjacent vowels, relative to the average length of pairs; previously applied to speech (vowels), now applied to music (notes); used in Patel & Daniele (2003)
28
stress-timed language
the timing of the syllables are adjusted to make the stresses more evenly spaced; shorten some words to maintain equal timing between stresses, which results in more variability in word length
29
syllable-time language
alternating strong and weak syllables
30
Ani Patel
found that amusics can discriminate pitch changes in speech (same-different task), but they fail when given a pitch analog (even when it is gliding); found similarities between languages and music/pitch (i.e., stress- vs. syllable-timed); said that language and music are not domain-specific
31
Isabelle Peretz
developed a test for amusia (MBEA); said that language and music were domain-specific
32
frontal lobe
higher cognitive functions (decision-making, personality); Broca's area (language production, syntax; some music skills); motor cortex
33
parietal lobe
sensations (touch, pain); attention, reading, math, and some musical skills
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occipital lobe
visual perception
35
temporal lobe
auditory processing; primary auditory cortex, at Heschel's Gyrus (connects to ear on opposite side); Wernicke's area (speech perception)
36
cerebellum
responsible for fine motor coordination
37
corpus callosum
the white matter (contains axons that send signals between brain regions) tract that connects the two hemispheres
38
auditory cortex
where signals from the cochlea eventually go, after going through the brainstem
39
brainstem
oldest part of the brain; connects to spinal cord; interesting role in music
40
neuroplasticity
large-scale, visible changes in brain anatomy due to experience and learning
40
tonotopic organization (tonotopy)
frequency map across auditory cortex (and cochlea) is from low to high
41
Gottfried Schlaug
believed that plasticity is especially interesting to study in musicians because training often happens early, when the brain is more "plastic"; used MRI and fMRI to study four areas (corpus callosum, motor cortex, cerebellum, planum temporale); studied brain differences in AP and non-AP musicians
42
fMRI
functional magnetic resonance imaging; good for localization; high spatial resolution; increased blood oxygen in response to activity will affect the electromagnetic field; BOLD signal; non-invasive, but claustrophobic
43
PET
positron emission tomography; injection of a radioactive solution into the blood stream; invasive, but precise; detects [oxygenated] blood flow by monitoring where radiation level is high
44
EEG
electroencephalography; up to 100 electrodes on head; records electrical signals (generated by neural firing) through scalp, which create a wave over time (has polarity); ERP and MMN
45
MEG
magnetoencephalography; detects magnetic field generated by electrical activity; produces a "map"; head in helmet with up to 300 sensors; shielded room; very weak magnetic field, averaged over trials; SQUID needed to measure; subject movement and external magnetic fields will affect results
46
tDCS
transcranial direct current stimulation; electrodes used to stimulate or inhibit areas of the brain (a manipulation); behavior or experience can be monitored to see how it is affected; good for studying localization; related to TMS
47
TMS
transcranial magnetic stimulation; related to tDCS; magnet stimulates or inhibits (manipulates) areas of the brain to monitor behavior or experience
48
ECoG
electrocorticography; invasive technique used in humans, but ethical with patients who already have electrodes implanted for temporal lobe epilepsy treatment; measures from electrodes directly on the cortical surface; high temporal and spatial resolution
49
event-related potential (ERP)
response to a stimulus (EEG); tells you when something happens
50
mismatch negativity (MMN)
response to stimuli in "oddball" paradigm (EEG); preattentive (don't have to pay attention to get the response)
51
melodic intonation therapy (MIT)
a therapy for aphasia (loss of speech) worked on by Schlaug's lab; works with the brain's placticity to teach the right hemisphere to take over speech; patients (sing) speech, mimicking speech intonation, while tapping the left hand to activate the right hemisphere; tDCS (stimulation) on the right
52
synesthesia (synaesthesia)
percepts in one modality reliably elicit secondary percepts in a different modality (i.e., colors and graphemes) (that are not in the stimulus itself); example is color-pitch