Chapter 3 Flashcards

1
Q

According to research, which area of the brain is larger in experienced taxi drivers than in non-drivers, most likely because of the key role it plays in spatial memory?

A

Hippocampus

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2
Q

In a neuron, where is the myelin sheath located?

A

around the axon

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3
Q

Which two brain structures are categorized as belonging to both the brain stem and the hindbrain?

A

Pons and medulla

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4
Q

Antidepressants that prevent neurotransmitters like serotonin from being recycled are known as SSRIs. Which term best characterizes this recycling process?

A

reuptake

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5
Q

When a neuron is at rest, which particles are dominant on the inside of the neuron relative to the outside of the neuron?

A

Negative

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6
Q

Which brain mapping technique relies on a three-dimensional reconstruction of multiple X-rays taken through a particular body part?

A

CT

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7
Q

Which brain imaging technique allows researchers to track changes in the brain’s magnetic field patterns over time intervals as short as milliseconds?

A

MEG

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8
Q

Which neurotransmitter has chemical properties that inhibit neurons and dampen neural activity, making it very effective in reducing anxiety?

A

GABA

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9
Q

What is the primary role of the soma?

A

To manufacture new cell components

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10
Q

Which structure connects the two cerebral hemispheres and allows them to communicate?

A

Corpus callosum

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11
Q

The right hemisphere of the brain is associated more strongly than the left with which of the following functions?

A

coarse language skills such as simple speech, simple writing, and tone of voice

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12
Q

What is another term for persistent vegetative state?

A

Cortical death

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13
Q

What is the principal function of the basal ganglia?

A

to control movement

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14
Q

Which statement is TRUE about heritability?

A

It applies only to groups of people, not individuals

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15
Q

What are the key functions of the frontal lobes?

A

motor function, language, and memory

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16
Q

What is one limitation of the electroencephalograph (EEG)?

A

It shows only averaged neural activity that reaches the surface of the scalp

17
Q

Which hormone is released in response to both threatening and pleasurable situations?

A

Adrenaline

18
Q

What is the primary role of the amygdala?

A

Regulating fear and arousal

19
Q

Which gland, once known as the master gland, controls all other glands in the body?

A

pituitary gland

20
Q

Which statement best describes the absolute refractory period?

A

It is a brief period after the action potential during which another action potential cannot occur.

21
Q

Phineas Gage experienced extensive damage to his prefrontal cortex. Which area of functioning was significantly affected?

A

Personality