The role of the Nervous System
The nervous system is a complex collection of nerves and specialized cells known as neurons that transmit signals between different parts of the body.The nervous system consists of the brain, spinal cord, sensory organs, and all of the nerves that connect these organs with the rest of the body.
Cerebrum
Cerebellum
Brainstem
is the largest part of the brain and is composed of right and left hemispheres. It performs higher functions like interpreting touch, vision and hearing, as well as speech, reasoning, emotions, learning, and fine control of movement.
is located under the cerebrum. Its function is to coordinate muscle movements, maintain posture, and balance.
acts as a relay center connecting the cerebrum and cerebellum to the spinal cord. It performs many automatic functions such as breathing, heart rate, body temperature, wake and sleep cycles, digestion, sneezing, coughing, vomiting, and swallowing.
Frontal lobe
Occipital lobe
Temporal lobe
Pariental lobe
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Personality, behavior, emotions
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Judgment, planning, problem solving
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Speech: speaking and writing (Broca’s area)
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Body movement (motor strip)
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Intelligence, concentration, self awareness
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Interprets vision (color, light, movement)
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Understanding language (Wernicke’s area)
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Memory
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Hearing
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Sequencing and organization
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Interprets language, words
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Sense of touch, pain, temperature (sensory strip)
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Interprets signals from vision, hearing, motor, sensory and memory
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Spatial and visual perception