Test III Flashcards

(84 cards)

1
Q

Perceptual dimension of sound; corresponds to fundamental frequency

A

Pitch

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2
Q

Cycles per second; measurement of pitch

A

Hertz

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3
Q

Complexity; mixture of frequencies of vibration

A

Timbre

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4
Q

Eardrum; vibrates sound

A

Tympanic membrane

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5
Q

Middle ear part set into vibration by tympanic membrane

A

Ossciles

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6
Q

“Hammer” middle ear bone

A

Malleus

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7
Q

“Anvil” of the middle ear

A

Incus

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8
Q

“Stirrup” of the middle ear

A

Stapes

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9
Q

Snail-shaped structure that contains auditory transducing mechanisms

A

Cochlea

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10
Q

Opening in bone surrounding cochlea that stapes presses against, transmitting sound vibration into fluid within cochlea

A

Oval Window

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11
Q

Sensory organ on the basilar membrane that contains auditory hair cells

A

organ of Corti

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12
Q

Auditory receptors

A

Hair Cells

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13
Q

Membrane in cochlea containing organ of Corti

A

Basilar Membrane

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14
Q

Upper membrane; shelf against which cilia of auditory hair cell move

A

Tectorial Membrane

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15
Q

Opening in bone surrounding cochlea that permits vibrations to be transmitted via oval window into fluid of cochlea

A

Round Window

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16
Q

Hairlike appendage involved in movement or in transducing sensory information; found on receptors in auditory and vestibular system

A

Cilia

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17
Q

Elastic filament that attaches to the tip of one cilium to the side of an adjacent cilium

A

Tip Links

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18
Q

Branch of auditory nerve that transmits auditory information to the brain

A

Cochlear nerve

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19
Q

Nuclei in medulla that receive auditory information

A

Cochlear nucleus

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20
Q

Band of fibers running rostrally through medulla and pons; carries fibers of auditory system

A

Lateral Lemniscus

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21
Q

Organized mapping of frequencies of sound that are represented in a particular region of the brane

A

Tonotopic Representation

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22
Q

Primary Auditory Cortex, located on a gyrus on the dorsal surface of the temporal lobe

A

Core region

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23
Q

System by which information about different frequencies is understood by different locations in the basilar membrane

A

Place code

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24
Q

Electronic device implanted in the inner ear that enables a deaf person to hear

A

Cochlear implant

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25
System by which information about different frequencies of sound waves is understood by the rate of firing of neurons in the auditory system
Rate coding
26
One of a set of two receptor organs in the inner ear that detects change in head tilt
Vestibular Sac
27
One of three ringlike structures that detects changes in head rotation
Semicircular canal
28
"Little pouch"
Utricle
29
"Little sack"
Saccule
30
Contains sensory receptor organs
Ampulla
31
Gelatinous mass that moves in response to flow of fluids in the canal
Cupula
32
Nodule that contains cell bodies of bipolar neurons that transmits vestibular infomration to the brain
Vestibular ganglion
33
Includes sensitivity to stimuli that involves the skin
Cutaneous sense
34
Perception of body's position and posture
Proprioception
35
Perception of body's own movements
Kinesthesia
36
Skin that does not contain hair
Glabrous skin
37
Hairy & glabrous skin, responsible for detection of form and roughness, especially in fingertips (touch-sensitive)
Merkel's Disk
38
Hairy & Glabrous skin; detech static force against skin, stretching, proprioception (vibration-sensitive)
Ruffini Corpuscle
39
Glabrous skin; Edge contours, Braille-like-stimuli in fingertips
Meissner's Corpuscle
40
Detection of vibration, information from end of elongated object being held (i.e., tool). Specialized to detect mechanical stimuli
Pacinian Corpuscle
41
Taste of glutamate; identifies presence of amino acids/proteins in food
Umami
42
Receives information from visceral organs and from gustatory system
Nucleus of solitary tract
43
Tissue of nasal sinus that covers cribiform plate; contains cilia of smell system
Olfactory Epithelium
44
Receives input from smell receptors
Olfactory bulb
45
Neuron that receives smell information and transmits to rest of brain
Mitral cell
46
Bundle of dendrites in olifactory system
Olfactory glomerulus
47
Difference in arrival time of sound wave at each eardrum
Phase difference
48
Electrical potential recorded from electrode placed on or in a muscle
Electromyogram (EMG)
49
Record eye movement
Electro-oculogram
50
Smooth electrical activity (8-12 Hz) during state of relaxation/wakefulness
Alpha Activity
51
Irregular electrical activity (13-30 Hz) during state of arousal (desynchrony, many neural networks activating simultaneously)
Beta Activity
52
Increased synchronous coordination; Occurs intermittently during early stages of slow-wave and REM sleep
Theta Activity
53
Regular, synchronous activity during slow-wave sleep
Delta Activity
54
Non-REM sleep characteriszed by synchronized EEG activity during deeper stages
Slow-wave sleep
55
Desynchronized EEG activity where dreaming and muscular paralysis occur (paradoixcal sleep)
REM Sleep
56
Cessation of breathing while sleeping
Sleep apnea
57
Sleep disorder with periods of irresistible sleep, attacks of cataplexy, etc.
Narcolepsy
58
Complete paralysis that occurs during waking
Cataplexy
59
Inability to move just before onset of sleep or upon waking in morning
Sleep paralysis
60
Destruction of this causes narcoplesy
Orexin
61
Increased frequency of event after its supression; for example, increased REM sleep after REM deprivation
Rebound phenomenon
62
Modulator released by neurons engaging in high levels of metabolic activity; plays a role in initiation of sleep
Adenosine
63
Noradrenergic cell bodies responsible for arousal and vigilance
Locus coeruleus
64
Group of GABAergic neurons whose activity suppresses alertness and behavioral arousal and promotes sleep
ventrolateral preoptic area (vlPOA)
65
Daily change in behavior or physiological process
circadian rhythm
66
Stimulus that resets biological clock that is responsible for circadian rhythm
Zeitgeber
67
Contains biological clock responsible for organizing body's circadian rhythms
Suprachiasmatic nucleus
68
Photopigment in retina that provide information about ambient level of light to synchronize circadian rhythm
Melanopsin
69
Secretes important hormones for circadian rhythm
Pineal Gland
70
Plays a role in circadian rhythm; secreted at night
Melatonin
71
Behavior that occurs with different probabilities under different circumstances between genders
Sexually dimorphic behavior
72
Gene on Y-chromosone that instructs gonads to develop into testes
Sry
73
Effect of hormone on tissue differentiation and development
Organizational Effects
74
Effect of hormone once organism developed; may depend on prior exposure to organization effects of hormones
Avocational Effects
75
Embryonic precursors of female internal sex organs
Mullerian system
76
Embryonic precursors of male internal sex organs
Wolffian System
77
Peptide secreted by fetal testes that inhibits development of female internal sex organs
Anti-Mullerian Hormone
78
Effect of hromone present early in development that reduces or prevents later development of anatomical or behavior characteristics typical of females
Defeminizing effect
79
Male sex steroid hormone
Androgen
80
X and Y chromosones determine gender
Sex Chromosones
81
Effect of hormone present in early development that promotes later development of anatomical or behavioral characteristics of males
Masculinizing Effect
82
Principal male androgen
Testoserone
83
Essential role in male sexual behavior
Medial preoptic area
84
Larger in males than females; found in preoptic area
Sexually dimorphic nucleus