Brain Flashcards

1
Q

Hindbrain

A

Cerebellum, medulla, pons

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2
Q

Cerebellum

A

Movement
Equilibrium
Sensory info

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3
Q

Medulla

A

Unconscious vital functions

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4
Q

Pons

A

Sleep and arousal

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5
Q

Midbrain

A

Sensory processes
Dopamine releasing neurons
Voluntary movement

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6
Q

Reticular formation

A

Through midbrain and hindbrain, in core of brain stem regulates sleep and arousal

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7
Q

Forebrain

A
Thalamus
Hypothalamus 
Cerebrum
Limbic system
Basal ganglia
Pituitary gland
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8
Q

Thalamus

A

All sensory info passes through

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9
Q

Hypothalamus

A

Regulates basic biological needs

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10
Q

Limbic system

A

Hippocampus
Amygdala
Dopamine, glutamate

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11
Q

Hippocampus

A

Memory
Prediction
Imagination

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12
Q

Amygdala

A

Fear

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13
Q

Cerebrum

A
Higher thinking
Cerebral cortex is outer layer
Divided in two hemispheres each with 4 lobes
Gyrus- bumps
Sulcus- valleys
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14
Q

Four lobes

A

Occipital
Parietal
Temporal
Frontal

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15
Q

Occipital lobe

A

Primary visual cortex

Visual info sent here

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16
Q

Parietal lobe

A

Primary somatosensory cortex
Sense of touch
Between temporal and parietal is Wernikes area

17
Q

Temporal

A

Primary auditory cortex at top of lobe

Auditory processing

18
Q

Frontal

A

Primary motor cortex
Movement of muscles
Broca’s area

19
Q

Prefrontal cortex

A
Part of frontal lobe 
Memory
Process current info
Reasoning
Decision making
20
Q

Mirror neurons

A

In frontal and parietal lobes

21
Q

Neurogenesis

A

Formation of new neurons
Unlimited
Declines with age
In olfactory bulb and hippocampus

22
Q

CT

A

Computer enhanced xrays

Structure, horizontal image

23
Q

PET

A

Radioactively tagged glucose injected
Xrays
Brian function via blood flow or metabolic activity

24
Q

MRI

A

Magnetic fields
Radio waves
Computer enhancement
3D structure, high resolution

25
fMRI
Same as MRI but activity of brain like PET but more precision Blood flow or oxygen intake
26
Pituitary gland
``` Master gland Sexual development and behaviour Stress Metabolism Endorphins ```
27
Basal ganglia
Voluntary motor control | Dopamine, GABA
28
Wernickes area
Language comprehension
29
Broca’s area
Language production
30
Flow of speech comprehension and production
1. Auditory cortex 2. Wernickes area 3. Broca’s area 4. Motor Cortez
31
Corpus callosum
Connects two hemispheres
32
Brain lateralization
Sensory info goes to pop side Left rational Right emotional
33
Split brain experiment
If corpus callosum severed, no communication between, only optic nerve crosses. Can only say what is seen on right side