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*Psychology > The Brain > Flashcards

The Brain Flashcards

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0
Q

How much of it is made of water?

A

80% water

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1
Q

What is the average weight of a brain? Is it dense?

A

Dense - average weight is 1.5kg

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2
Q

Are there millions, billions or trillions of brain cells?

A

Billions.

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3
Q

What percentage of brain cells are active neurons?

A

Only 10%

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4
Q

Up to how many extensions (dendrites) can neurons grow?

A

Up to 20.

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5
Q

What else can the brain be described as?

A

The control centre of your body.

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6
Q

What 6 things is the brain responsible for?

Clue: CIPREM

A

Creativity, intelligence, perceptions, reactions, emotions and memories.

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7
Q

How do both brain hemispheres communicate?

A

By the corpus callosum.

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8
Q

What 2 things can the brain be divided into?

A

The right and left hemispheres.

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9
Q

Is the cerebrum conscious or unconscious?

A

Conscious.

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10
Q

How much volume of the brain does the cerebrum take up?

A

90%

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11
Q

What is the cerebrum responsible for? (Detailed)

A

Higher order thinking, problem solving, conscious thought, learning, senses, remembering, memory, speech, voluntary actions, personality.

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12
Q

Is the cerebellum conscious or unconscious?

A

Unconscious.

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13
Q

How much of the brain does the cerebellum take up?

A

10%

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14
Q

Where is the cerebellum found?

A

Under the cerebrum.

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15
Q

How much of the brains neurons does the cerebellum contain?

A

50%

16
Q

What does the cerebellum control? (Detailed)

A

Posture, coordination, balance and movement. May also be involved in memory, attention, spatial perception and language.

17
Q

Where is the medulla/brain stem found?

A

Between the cerebrum and spinal chord.

18
Q

What does the medulla control?

A

Controls involuntary actions; breathing, heartbeat, blood, pressure, coughing, vomiting, sneezing etc.

*Psychology (5 decks)

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