Unit 3b Flashcards

(57 cards)

1
Q

Lesion

A

Tissue destruction, naturally or experimentally

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2
Q

Electroencephalogram (EEG)

A

Amplified recording of the electrical wave activity across the brain, measured by electrodes placed on the scalp.

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3
Q

CT (computed tomography) scan

A

Using x Ray photographs to reveal brain damage

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4
Q

PET (positron emission tomography) scan

A

Visual display of brain activity that detects where a radioactive form of glucose goes while the brain performs a given task. Active neurons use up the glucose

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5
Q

MRI (magnetic resonance imaging)

A

Use magnetic fields and radio waves to produce computer generated images of soft tissue, show brain anatomy. Can be used for other body parts

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6
Q

fMRI (functional MRI)

A

Technique revealing blood flow and therefore brain activity by comparing successive brain scans, show brain function

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7
Q

Brain stem

A

Oldest and central core of brain

Responsible for automatic survival functions

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8
Q

What are the parts of the brain stem

A

Medulla and pons

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9
Q

Medulla

A

Slight swelling, base of brain stem

Controls heartbeat and breathing

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10
Q

Pons

A

Help coordinate movement

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11
Q

Reticular formation

A

Finger shaped nerve network that plays an important part in controlling arousal, also filters incoming stimuli

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12
Q

Thalamus

A

Brain sensory switch board, receives info from all senses except smell and routes it to higher brain regions (cortex), receives their replies and directs them to medulla and cerebellum

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13
Q

Cerebellum

A

Little brain, processes sensors input, coordinate voluntary movement and balance and supports memories of such

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14
Q

What helps us judge time, modulate emotion, and discriminate sounds from textures

A

Cerebellum

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15
Q

Limbic system

A

Donut shaped, associated with emotions and drive

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16
Q

Parts of limbic system

A

Hypothalamus, pituitary gland, amygdala, hippocampus

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17
Q

Amygdala

A

Bean neural clusters

Influence aggression and fear

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18
Q

Hypothalamus

A

Bodily maintenance; hunger thirst body temp sexual behavior
Helps govern endocrine system
Linked to emotion and reward

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19
Q

Hippocampus

A

Processes memory, it lost can’t create new memories of facts or episodes

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20
Q

Corpus callosum

A

Axon fibers connecting the two cerebral hemispheres and carrying messages between

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21
Q

Spinal cord

A

Pathway for neural fibers traveling to and from brain, controls simple reflexes

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22
Q

Cerebral cortex description

A

Intricate fabric of interconnected neural cells covering cerebral hemisphere

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23
Q

Cerebral cortex function

A

Body’s ultimate control and information processing center

24
Q

Glial cells

A

Cells in nervous system that support, nourish, and protect neurons, glue cells

25
Frontal lobes
Involved in speaking, muscle movements, and making plans and judgements
26
Parietal lobe
Received sensory input for touch and body position
27
Occipital lobe
Include areas that receive information from the visual fields
28
Temporal lobe
Include auditory areas, each receiving info from opposite ear o
29
Motor cortex
Area of rear frontal lobes that controls voluntary movement
30
Association areas
Areas of cerebral involved in higher mental functions like learning, remembering, thinking, and speech
31
Aphasia
Impairment of language usually caused by damage to brocas or wernickes area
32
Broca's area
Controls language expression with muscle movements involved in speech
33
Wernickes area
Controls language reception, comprehension, interpret auditory code
34
Angular gyrus
Transforms visual representation into auditory code
35
Visual cortex
Receives written words as visual stimulation
36
Plasticity
Brains ability to change after damage (most in childhood) by reorganizing or building new pathways based on experiences
37
Neurogenesis
Formation of new neurons
38
Split brain
Condition isolating the two brain hemis by cutting corpus callosum
39
Consciousness
Our awareness of ourselves and environment
40
Cognitive neuroscience
Study of brain activity linked with cognition
41
Duel processing
Principle that information is often simultaneously processed in separate conscious and unconscious tracks
42
Intelligence of animals can be determined by.... Except for a few exceptions
Brain to body weight exceptions
43
Who discovered that messing with the reticular formation of a cat makes it extremely awake or non wake able
Giuseppe Moruzzi and Horace magoun
44
What are the egg like structures
Thalamus
45
Older brain functions occur with or without conscious effort?
Without, suggesting our brain processes most information outside of our awareness
46
Who did the electrode experiment and discovered the reward centers
James old and Peter Milner
47
Reward deficiency syndrome
Genetically disposed deficiency in the natural brain systems for pleasure and well being that leads people to crave whatever provides that missing pleasure or relieves negative feelings ex drugs
48
What happened to phineas gage
Pole went through head and frontal lobes, lived but personality changes, moral compass damaged
49
Brain processes order involved in language
``` Visual cortex Angular gyrus Wernickes Brocas Motor cortex ```
50
Constraint induced therapy
Require brain by restraining a function limb to force use of other limb
51
Lateralization
Brains sides serving different functions, hemispheric specialization
52
Right brain functions
perceives objects, more quick in making inferences, copying drawings and recognizing faces, previewing emotion, perpetual task, many word association, sense of self
53
Right brains damage
Greatly disrupts emotion processing, facial recognition and social conduct
54
Left brain function
Speech, tried to explain things, calculates literal interpretations of language, one word association
55
Visual perception track
Create the mental furniture that allows us to think about the world, to recognize things and plan future actions
56
Visual action track
Guides our moment to moment actions
57
Which part is linked to emotion and reward
Hypothalamus