The Brain Flashcards

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0
Q

What would happen if your cerebellum was damaged?

A

The person could perform basic movements but would lose find coordination skills.

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1
Q

What is the brainstem?

A

It is the old part of the brain. Begins with the spinal cord swells as it enters the school. Includes the mid Doula, reticular formation, thalamus, and cerebellum.

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2
Q

What is the limbic system?

A

It is a ring of structures at the border of the brainstem. Helps regulate important functions such as memory, fear, aggression, hunger and thirst. The limbic system includes the hypothalamus, the hippo campus in the amygdala.

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3
Q

What is the cerebral cortex?

A

It is an intricate fabric of interconnected neurons that make up the bodies ultimate control and information processing center. It covers the lower-level structures.

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4
Q

What is the longitudinal fissure?

A

The crevice that divides the cerebral cortex to have’s that are called hemispheres.

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5
Q

What is the corpus callosum.?

A

A large band of neural tissue that connects to bring hemispheres and allows him to communicate with each other.

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6
Q

What is the motor cortex?

A

It is a strip of tissue on the rear edge of the frontal lobe’s that controls voluntary movement of your body parts.

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7
Q

What is the somato sensory cortex?

A

Area that registers and processes body sensations.

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8
Q

What is brain plasticity?

A

The brains ability to change especially during childhood. Information may be transferred to the other hemisphere.

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9
Q

Two hemispheres of the brain? What do they do?

A

They work together. They communicate constantly the the corpus callosum and try to accomplish most tasks that you must use your left and right brain to do.

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10
Q

What is the Broca’s area?

A

It is in the left side of the brain located in the frontal lobe and directs the muscle movement involved in expressive language or speech.

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11
Q

What is the Wernicke’s area?

A

Located in the left temporal lobe and is involved with receptive language or your ability to understand what someone else says.

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12
Q

What would happen if your Broca’s area was damaged?

A

The person would have difficulty with spoken language they conform ideas but can’t turn those ideas into a coherent words.

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13
Q

What would happen if your Wernicke’s area was damaged?

A

The person would be able to hear words but and able to comprehend the meaning of the sentence created with the words.

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14
Q

What does the right hemisphere of your brain do?

A

Houses most of your brains spatial abilities. So your ability to perceive or organize things such as judging distance understanding geometric objects repacking a car’s truck. The right hemisphere also provides the inside to help us make connections among words.

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15
Q

What is the split brain operation?

A

An operation in which surgeons cut the corpus Callison to prevent seizures from spreading from one side of the brain to the other. The most important lesson from supposedly brain research related to vital communication that travels between the hemispheres be at the corpus callosum I left and right brain hemispheres form one brain.

16
Q

Went to brain scans will researchers use to study brain structure.

A

CAT scan or an MRI.

17
Q

What does a CAT scan do.

A

A series of x-rays taken from different angles and combined by computer into a competent representation of the slice through the body. It reveals the brains structure. (computerized axial tomography)

18
Q

What does an MRI do.?

A

Uses magnetic field and radio waves to produce computer-generated images that distinguish among different types of soft tissues. This allows us to see the different structures with in the brain.

19
Q

What brain scans would researchers use to study brain function?

A

EEG, fMRI, PET scan.

20
Q

What does an EEG do?

A

Records waves of electrical activity that sweep across the brain surface. The electrical waves are measured by electrodes are placed on the scalp.

21
Q

What does an F MRI do?

A

Based on magnetic resonance imaging and it looks like the brain function instead of structure as in the original MRI. Helps if I which part of the brain is active during a particular task.

22
Q

What does a PET scan do?

A

A visual display of brain activity. Researchers inject radioactive form of glucose into a person and the pet scans detect where goes in the brain other person performs a given task.helps identify which part of the brain is active during a particular task.

23
Q

What is the Medulla?

A

Controls basic life support functions like heartbeat and breathing. Located at base of brainstem.

24
Q

What is the reticular formation?

A

I nerve network in the brainstem that plays an important role in controlling wakefulness and arousal.

25
Q

What is the thalamus?

A

Brains sensory switchboard located on the top of the brainstem. Direct messages to the sensory receiving areas in the cortex.

26
Q

What is the cerebellum?

A

It is the little brain attached to the rear of the brainstem. Helps coordinate voluntary movements and balance.

27
Q

What is the hypothalamus?

A

Neural structure lying below the thalamus. Helps regulate many of the bodies maintenance activities such as eating, body temperature, and his link to emotion.

28
Q

What is the hippocampus?

A

Neural structure located in the limbic system that wraps around the back of the thalamus. Helps process new memories for permanent storage

29
Q

What is the spinal cord?

A

Tell that extends down from the brain.

30
Q

What is the amygdala?

A

Almond shaped neural clusters in the limbic system that controls emotional responses such as fear and anger

31
Q

What does the frontal lobe do?

A

Involved in planning and judgment. Portion of the cerebral cortex lying just behind the forehead includes the motor cortex.

32
Q

What does the parietal lobe do?

A

General association areas used for processing information. Includes somatosensory cortex and is part of the cerebral cortex lying at the top of the head towards the rear.

33
Q

Occipital lobe?

A

Includes primary visual processing areas. Portion of the cerebral cortex lying at the back of the head

34
Q

Temporal lobes?

A

Includes auditory areas of the brain. Portion of the cerebral cortex lying about the ears