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intro to neuroscience > Lecture 1 vocab > Flashcards

Lecture 1 vocab Flashcards

1
Q

What is apart of the organ system?

A

brain, spinal cord, peripheral nerves

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2
Q

What is apart of the neural system?

A

brain and eyes

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3
Q

What is a part of the brain region?

A

visual cortex

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4
Q

neuroscience subfields focus on questions spanning one or more level of analysis what are these levels?

A

molecular, cellular, systems, behavioral, cognitive neuroscience

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5
Q

What diseases can occur at ion channel levels?

A

Epilepsy, caused by mutation voltage gated channels

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6
Q

What diseases can occur at nerve fiber levels?

A

Multiple sclerosis, caused by demyelination

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7
Q

What diseases can occur at organ system levels?

A

paralysis, caused by damage to spinal cord

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8
Q

what diseases can occur at Social interaction levels

A

Autism caused by unknown

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9
Q

What does the central nervous system(CNS) consist of?

A

The brain and spinal cord

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10
Q

What does the Peripheral nervous system(PNS) consist of?

A

Nerves themselves that connect the central nervous system to the arms legs and organs

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11
Q

what is the spinal cord encased by?

A

the vertebrae

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12
Q

What are the two major divisions of the central nervous system?

A

The brain and spinal cord

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13
Q

What are the two major divisions of the peripheral nervous system?

A

Somatic nervous system and autonomic nervous system

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14
Q

what is the somatic nervous system?

A

The somatic nervous system is voluntary part of the peripheral nervous system consisting of motor neurons and sensory neurons(skin, muscle, eyes, etc)

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15
Q

what three divisions does the autonomic nervous system consist of?

A

sympathetic nervous system(Activate or flight response), parasympathetic nervous system(activates relaxed non-dangerous systems), and enteric nervous system(In the gut and regulated digestion)

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16
Q

what is homeostasis?

A

It’s a dynamic balance between autonomic branches

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17
Q

What percent of our body weight is our brain?

A

2%

18
Q

what percentage of our oxygen does the brain consume?

A

25%

19
Q

what percentage of our Glucose does the brain consume?

A

70%

20
Q

What is the cerebral cortex?

A

the outermost layer of grey matter making up the cerebrum

21
Q

who was Franz Josef Gall?

A

He proposed that specific brain regions controlled specific cognitive functions/qualities(founder of phrenology)

22
Q

What did Paul Broca do?

A

He illustrated that different brain regions have specific functions

23
Q

What did Wilder Penfield do?

A

he simulated brain regions with small amounts of electricity during neurosurgery and cured a woman’s seizures

24
Q

What are the four regions of the brain?

A

Frontal lobe, parietal lobe, occipital lobe, and temporal lobe

25
Q

What divides the brain into four lobes?

A

Fissure and sulci

26
Q

What does the frontal lobe consist of?

A

Decision making, personality, motor brain regions, language

27
Q

What does the Parietal lobe consist of?

A

Pain touch, temperature processing

28
Q

What is the occipital lobe consist of?

A

Vision, visual processing?

29
Q

What is the temporal lobe consist of?

A

memory, language, auditory processing

30
Q

what does the cerebellum allow us to do?

A

voluntary movement, walking, balance, posture and motor learning

31
Q

what connect the two hemispheres of the brain?

A

The corpus callosum

32
Q

what are the parts of the brainstem?

A

Midbrain, ponds, medulla, oblongata

33
Q

what is the midbrain associated with?

A

Vision, hearing, motor control, sleep/wake, and temperature regulation

34
Q

What is the pons associated with?

A

sensory and motor processing and sleep

35
Q

what is the medulla associated with?

A

Centers for heart rate, blood pressure, and respiration, reflex centers regulating autonomic slash involuntary functions

36
Q

what parts of the brain stem is also associated with PNS?

A

The midbrain, ponds, and medulla

37
Q

What does a spinal cord do?

A

A conduits for motor information traveling down the spinal cord to PNS, it conduits for sensory information travelling up to their brain, and centers for coordinating certain reflexes

38
Q

what consists of the meninges?

A

dura matter, arcahnoid membrane, and pia matter

39
Q

What circulates within the subarachnoid space?

A

Cerebrospinal fluid(CSF)

40
Q

What is the ventricular system?

A

It is a series of chambers filled with cerebrospinal fluid(CSF)

41
Q

What does CSF do?

A

It acts as a shock absorber and promotes exchange between the blood and the brain

42
Q

how many ventricles are in the brain?

A

4, the 3rd and 4th and the lateral ventricles.

intro to neuroscience (10 decks)

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