The Brain Flashcards

1
Q

Brainstem

A

The brainstem supports life-sustaining bodily functions

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2
Q

Pons

A

Helps control/regulate sleep, respiration, swallowing, bladder function, hearing, equilibrium, taste, eye movement, facial expressions, facial sensation, and posture

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3
Q

Medulla

A

Controls heartbeat and breathing

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4
Q

Reticular Formation

A

Regulates sleep, wakefulness, and levels of arousal

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5
Q

Cerebellum

A

Enables nonverbal learning coordinates voluntary movements

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6
Q

Thalamus

A

The “sensory switchboard” or “router”: All sensory messages, except smell, are routed through the thalamus on the way to the cortex

These messages cross over from one side of the body to the opposite side of the brain

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7
Q

Basal Ganglia

A

Directs intentional movement

Receives input from the cerebral cortex

Sends output to motor centers in the brainstem

Striatum involves control of posture and movemen

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8
Q

Limbic System

A

The hypothalamus, hippocampus, and amygdala are involved in motivation, emotion, learning, and memory

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9
Q

Hypothalamus

A

Located below the thalamus

Regulates body temperature

Helps govern the endocrine system

Houses “reward centers”

Part of it uses light cues to regulate sleep-wake cycles

Controls maintenance functions, such as eating and drinking

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10
Q

The Pituitary Gland

A

Master gland of the body’s endocrine system

Receives hormone signals from the hypothalamus

Sends hormone signals to other glands to control stress, digestive activities and reproductive activities

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11
Q

Hippocampus

A

Creates new memories

Integrates memories into a network of knowledge

Consolidates and stores memories

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12
Q

Amygdala

A

Located at the tip of each side of the hippocampus

Plays central role in emotional processes

Plays a significant role in the formation of emotional memories

Attaches significance to events associated with fear, punishment or reward

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13
Q

Cerebral Cortex

A

Outer covering of two hemispheres of the brain

Cortex is from the Greek word for “bark”

Contains 20-23 billion neurons

Highest level of the brain

Responsible for the most complex aspects of perception, emotion, movement, and thought

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14
Q

Occipital Lobe

A

Visual information (visual cortex)

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15
Q

Parietal Lobe

A

Information about touch (sensory cortex),

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16
Q

Temporal Lobe

A

Hearing (auditory cortex), language (Wernicke’s area)

17
Q

Frontal Lobe

A

Planning, judgment, memory, reasoning, abstract thinking, movement (motor cortex)

18
Q

Cerebral Hemispheres

A

Control the opposite sides of the body (contralateral control)

Are connected by corpus callosum

Have specialized abilities

19
Q

Left Brain Hemisphere Specialization

A

Grammar
Language
Math
Logic

20
Q

Right Brain Hemisphere Specialization

A
Interpretation of art and music
Perceptual tasks
Face recognition
Emotional expression
Spatial abilities
21
Q

Sensory (Somatosensory) Cortex

A

Located at the front end of the parietal lobe

Part of the brain which excels in receiving information from the skin and movement of body parts

22
Q

Motor Cortex

A

Located at the back of the frontal lobe, next to the parietal lobe

Controls movements of specific body parts on opposite sides of the body

23
Q

Visual Cortex

A

Located at the back of the brain

Receives visual information

24
Q

Auditory Cortex

A

Located behind the ear

Sounds are processed by the auditory cortex

25
Q

Broca’s Area

A

Controls language expression

26
Q

Wernicke’s Area

A

Involved in language comprehension, processing, and expression