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NEUR 101 - Dr. Guy - Exam 2 > Exam 2 - Jeopardy > Flashcards

Exam 2 - Jeopardy Flashcards

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1
Q

The nervous system develops from this layer of the embryo

A

Ectoderm

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2
Q

Regions of the dorsal portion of the neural tube will develop into this

A

Sensory cortex

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3
Q

This process, influenced by the environment, makes genes less likely to be expressed

A

Methylation

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4
Q

Increases in postnatal brain size are largely NOT due to this

A

Development of new neurons

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5
Q

Differing rates of synapse elimination across unique brain regions are tied to differing rates of this

A

Synaptogenesis

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6
Q

Most neurons are born in this area of the neural tube

A

Ventricular zone

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7
Q

Radial glia guide new neurons in this process

A

Migration

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8
Q

A substance that causes different patterns of differentiation based on its concentration

A

Morphogen

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9
Q

An influx of these ions within a neuron can induce apoptosis

A

Calcium

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10
Q

These can prevent axon growth in specific directions

A

Chemorepellants

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11
Q

For most senses, the sensory pathway passes through this structure

A

Thalamus

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12
Q

A sensory receptor that maintains sensitivity to sustained stimulation

A

Tonic receptor

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13
Q

This brain region is involved in the process of attention

A

Posterior parietal

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14
Q

Although you are wearing clothing, you are not focused on or bothered by the sensation of your clothes touching your body due to this process

A

Adaptation

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15
Q

You press the side of your eye and see a blob appear, which is explained by this phenomenon

A

Labeled lines

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16
Q

The sensory organ for touch

A

Skin

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17
Q

Pacinian corpuscles demonstrate this type of adaptation

A

Fast

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18
Q

This onion-like receptor is found in the skin and muscle

A

Pacinian corpuscle

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19
Q

These receptor cells are especially sensitive to stretching of the skin

A

Ruffini’s endings

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20
Q

This type of receptor cell transduces information in the somatosensory system

A

Mechanoreceptor

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21
Q

The tiny bones in the middle ear are collectively known as

A

Ossicles

22
Q

The swaying of stereocilia in response to sound waves causes an influx of this ion at the base of the hair cell

A

Calcium

23
Q

The auditory stimulus is transduced into electrical signals by these

A

Hair cells

24
Q

This form of deafness arises from problems in the middle ear

A

Conduction deafness

25
Q

These theories offer the best current understanding of the mechanism of pitch perception

A

Place and temporal coding theories

26
Q

This surrounds the axons of some neurons, speeding conductance of electrical signals

A

Myelin

27
Q

This portion of the neural tube includes the developing cortex

A

Telencephalon

28
Q

Synaptogenesis in these areas reach their peak by 12 months of age

A

Visual and auditory cortices

29
Q

High plasticity within a brain region is expected during these

A

Sensitive periods

30
Q

Research indicates that differences between identical twins are due to

A

Experience and gene methylation

31
Q

Newly born cells undergo this after migrating to their new positions

A

Differentiation

32
Q

This substance is released by neurons and helps target cells maintain connections and survive

A

Neurotrophic factor

33
Q

A substance that causes cells to differentiate

A

Inducing factor

34
Q

In neurons undergoing apoptosis, DNA is cut up by these

A

Caspases

35
Q

Stem cells are induced to develop into neurons when this is inhibited

A

Bone morphogenetic proteins

36
Q

This is a type of stimulus for which a given sensory system is adapted

A

Adequate stimulus

37
Q

Adaptation to sustained stimulation is characteristic of these receptors

A

Phasic receptors

38
Q

This is the process by which sensory information is converted into electrical information for neural communication

A

Sensory transduction

39
Q

This is the translation of level of stimulus energy into nerve cell impulses

A

Coding

40
Q

According to this hypothesis, specific nerve cells act as specialists for particular segments of sensory intensities

A

Range fractionation

41
Q

Adequate stimuli for the sensory system

A

Pressure/deformation of the skin

42
Q

The threshold of mechanical stimulation to stimulate a Meissner’s corpuscle is

A

Very low

43
Q

The receptive fields of these receptor cells are large with vague borders

A

Pacinian corpuscles

44
Q

An individual is unable to detect the movement of objects through their fingers (cannot detect slippage) when these sensory receptors are damaged

A

Meissner corpuscles

45
Q

In this representation of the somatosensory cortex, the hands and lips are emphasized

A

Homunculus

46
Q

The stapes connects to this, which causes movement of the round window

A

Oval window

47
Q

A lack of functional cochlear hair cells results in this

A

Deafness

48
Q

High-frequency sounds cause the greatest amount of deflection in this area of the basilar membrane

A

Base

49
Q

Cortical processing of speech and noise differ in this way

A

Speech activates areas of the auditory cortex that are not activated by noise

50
Q

These theories offer the best current understanding of the mechanism of pitch perception

A

Place and temporal coding theories

NEUR 101 - Dr. Guy - Exam 2 (1 decks)

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