Chapter 6 Flashcards

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1
Q

Neurons send electrical signals which cross the synapse by the flow of _______

A

Neurotransmitters

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2
Q

Thus ensures effective and speedy message transmission

A
  • Myelin
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3
Q

What are the 3 phases of brain development?

A
  1. Cell production (Neurons are produced between 10& 26 wks post conception
  2. Cell migration (nerve cells travel from the inner neural tube outward to final location)
  3. Cell elaboration (synapses are formed, nerve cells are ‘pruned’
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4
Q

Axons like connections form during _______

A

Migration

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5
Q

This is a combination of an axon expanding and dendritic sprouting that provides the ingredients for forming synapses. It mostly occurs between birth and 24 months

A
  • Synaptogenesis
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6
Q

Myelination occurs after cell _______

A
  • Migration
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7
Q

This is a chemical that transmits electrical activity from one Neurons across the synapse to another Neuron

A
  • Neurotransmitter
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8
Q

Noradrenaline, Dopamine, Serotonin, and Cholingeric are the 4 ____________ systems

A
  • Neurotransmitter
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9
Q

The brain stem, midbrain, and cerebrum are the 3 _____ parts of the brain

A
  • Major
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10
Q

The frontal lobe contains the Broca’s area. What is it responsible for?

A
  • Speech formation
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11
Q

What is the difference between the left and right hemispheres of the cerebrum?

A
  • Left = language performance, verbal memory, words and concepts
  • Right = spatial and mathematical tasks
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12
Q

The temporal lobe contains the wornicke’s area, what is it responsible for?

A
  • Language
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13
Q

Body sensations such as touch are controlled by the ______ lobe.

A
  • Parietal
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14
Q

Visual association aka sight is controlled by what lobe?

A
  • Occipital
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15
Q

The cerebellum controls what?

A
  • Movement
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16
Q

Techniques and technologies that enable scientists to generate “functional” maps of brain activity through measurements of changes in either the brain’s metabolism, blood flow, or electrical activity,

A
  • Neuroimaging techniques
17
Q

What are the 3 Neuroimaging techniques?

A
  1. Measure electrical brain activity
  2. Distinguish physical structure of the brain
  3. Assess the functional metabolic activity of the brain
18
Q

EEG’s and ERP’s are two methods to measure _________ activity in the brain

A
  • Electrical
19
Q

A PET scan measures the ________ structure of the brain

A
  • Functional
20
Q

Nerve cells in the brain which transmit activity through axons and dendrites

A
  • Neurons