Nervous System Flashcards

1
Q

What is the Nervous System?

A

A processing Information System consisting of the Central and Peripheral Nervous System

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2
Q

What is the function of the central nervous system?

A

The CNS consists of the Brain and Spinal Cord. Its function is to process sensor input and make decisions/give order

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3
Q

What are the 2 prominent neuroimaging tools?

A
  1. Computerized Tomography (CT)/Computerized Axial Tomography (CAT)
  2. MRI (Magnetic Resonance Imaging)
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4
Q

Name the brain direction/Nomenclature

A

Superior (Dorsal)
Anterior(Rostral) Posterior(Caudal)
Inferior(Ventral)

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5
Q

Describe Sagital Brain section

A

Slice through the nose

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6
Q

Describe Coronal Brain section

A

Crown slice right through the head

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7
Q

Describe Axial/Horizontal Brain section

A

Top down, birds-eye view

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8
Q

The Central Sulcus separates the ______ and ______ lobe.

A

The Central Sulcus separates the frontal and parietal lobe.

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9
Q

The Lateral Sulcus (Sylvian Fissure) separates the ____ lobe from the _____ lobe.

A

The Lateral Sulcus (Sylvian Fissure) separates the temporal lobe from the parietal and frontal lobe

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10
Q

What is the Longitudinal Fissure

A

Separates the left and right hemisphere

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11
Q

What is the function of the peripheral nervous system?

A

The PNS consists of the spinal and cranial nerves. That are somatic/autonomic

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12
Q

Somatic Nervous System

A

sensory and motor Nerves that are voluntary that innervates muscle and skin

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13
Q

Autonomic Nervous System

A

(Involuntary) Sensory & motor nerves innervate visceral
organs and glands.
Sympathetic/Parasympathetic

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14
Q

What does the Brainstem consist of ?

A

Midbrain
Pons
Medulla

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15
Q

What does the Cerebrum consists of?

A

Consists of two hemispheres, which each contain:
Cerebral cortex
Basal Ganglia
Diencephalon (Thalamus, hypothalamus…)

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16
Q

Main functions of Temporal lobe

A

auditory center process/interpret hearing (CLOSE TO THE EAR)

17
Q

Main Functions of Occipital lobe

A

vision (eyes on the back of my head!) process and make use of visual input

18
Q

Main functions of Parietal Lobe

A

sensory information, spatial processing and recognition

19
Q

Main functions of Frontal Lobe

A

executive functioning, high order processing, speech production, emotion regulation, planning and executing

20
Q

In the Cerebrum the Diencephalon consists of _______

A

The Thalamus and Hypothalamus

21
Q

Function of Thalamus

A

relays sensorimotor info to the cortex “relay system” body to the brain

22
Q

Function if Hypothalamus

A

communicates with brain, brainstem and spinal cord by neural and hormonal projections

5 functions – autonomic, endocrinic, regulatory, drive, emotion
Controls autonomic nervous system
Maintains body temperature, blood volume, food and water intake, body mass, reproduction and regulates circadian rhythm (pattern of sleep) (24-hour internal clock)

23
Q

Describe/Function of Midbrain

A

Cranial nerve nuclei, sensory motor regulating fibers

Regulates respiration, phonation, heartbeat, blood pressure

24
Q

Describe/Function of Pons

A

Contains cranial nerve nuclei, all descending motor and ascending sensory fibers

25
Q

Describe/Function of Medulla

A

Contains cranial nerve nuclei; regulates heartbeat, blood pressure and respiration

26
Q

Function of Cerebellum

A

Helps provide smooth, coordinated body movements