Windows in the brain Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What are lesions?

A

tissue destruction

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2
Q

What causes lesions?

A

disease or injury

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3
Q

What happened to Phineas Gage?

A

Could never feel positive emotions again b/c pole went thru left side of brain

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4
Q

What is an EEG also known as?

A

Electroencephalogram

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5
Q

How is an EEG performed?

A

Electrodes placed on scalp

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6
Q

What does the EEG measure?

A

Brain waves during sleep AKA function

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7
Q

What does an EEG create?

A

Create amplified recording of waves of electrical activity that sweep across the brain’s surface

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8
Q

What is epilepsy?

A

Brain disorder marked by seizures & loss of consciousness due to out of control electrical activity in the brain

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9
Q

What is a CAT scan also known as?

A

computed tomography

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10
Q

What is a CAT scan?

A

series of x-ray photos taken from different angle and combined by a computer into a composite representation

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11
Q

What does a CAT scan create?

A

composite representation of a slice thru the body

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12
Q

What does the CAT scan show?

A

Structure

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13
Q

What does the PET scan show?

A

Function

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14
Q

What does the MRI show?

A

Structure

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15
Q

What does the fMRI show?

A

Structure and function

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16
Q

What is a PET scan as?

A

Position Emission Tomography also known

17
Q

What is a PET scan

A

Visual display of brain activity

18
Q

What does the PET detect?

A

where a radioactive form of glucose goes while the brain performs a given task

19
Q

What is MRI also known as?

A

magnetic resonance imaging

20
Q

What does an MRI use?

A

Magnetic fields and radio waves

21
Q

What does an MRI produce?

A

Computer-generated images that distinguish b/w different types of soft tissue

22
Q

What is a fMRI also known as?

A

Functional magnetic resonance imaging

23
Q

What is the fMRI?

A

Most advanced screen

24
Q

Why is the fMRI the most advanced screen?

A

Can detect more active cells from less active cells