Which of the following would be considered a function of the nervous system quizlet?

Located between brainstem and cerebrum
Components: thalamus, subthalamus, epithalamus, hypothalamus

THALAMUS
Two lateral portions connected by the intermediate mass
Surrounded by third ventricle
Sensory information from spinal cord synapses here before projecting to cerebrum
Medial geniculate nucleus: auditory information
Lateral geniculate nucleus: visual information
Ventral posterior nucleus: most other types sensory information Motor function: ventral anterior and ventral lateral nuclei
Mood modification: anterior and medial nuclei connected to limbic system
Emotion regulation: lateral dorsal nucleus
Sensory integration: lateral posterior and pulvinar nuclei

SUBTHALAMAS
Contains nerve tracts and nuclei

EPITHALAMAS
Contains nuclei responding to olfactory stimulation and contains pineal gland
Habenula: emotional and visceral responses to odors
Pineal gland: may influence sleepiness, helps regulate biological clock, may play a role in onset of puberty

HYPOTHALAMAS
Major control center for maintaining homeostasis and regulating endocrine function
Most inferior portion of diencephalon
Mammillary bodies: bulges on ventral surface; olfactory reflexes and emotional responses to odors
Infundibulum: stalk extending from floor; connects hypothalamus to posterior pituitary gland. Controls endocrine system.
Receives input from viscera, taste receptors, limbic system, nipples, external genitalia, prefrontal cortex
Efferent fibers to brainstem, spinal cord (autonomic system), through infundibulum to posterior pituitary, and to cranial nerves controlling swallowing and shivering
Important in regulation of mood, emotion, sexual pleasure, satiation, rage, and fear

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Terms in this set (15)

sensory input

Monitoring external and internal stimuli; one of the major functions of the nervous system.

integration

Processing sensory input and signaling for a response; one of the major functions of the nervous system.

control of muscles and glands

the response to a stimulus; one of the major functions of the nervous system.

homeostasis

a function of the nervous system that helps maintain a stable internal environment

mental activity

a function of the nervous system that provides us with consciousness, thinking, memory, and emotions.

central nervous system

the major division of the nervous system that is composed of the brain and spinal cord.

peripheral nervous system

the major division of the nervous system that is composed of all nerves that connect the body to the brain and spinal cord.

central nervous system

the major division of the nervous system that is designed to interpret incoming sensory information and issue instructions based on previous experience.

afferent

a division of the PNS that is sensory; conveys information to the CNS

efferent

a division of the PNS that is motor-related; conveys information from the CNS

somatic

a division of the efferent nervous system that provides us with conscious, voluntary control of most of our skeletal muscles

autonomic

a division of the efferent nervous system that provides us with subconscious, involuntary control over smooth muscle, cardiac muscle, and glands.

sympathetic

a division of the autonomic nervous system that is responsible for fight-or-flight response, expending energy.

parasympathetic

a division of the autonomic nervous system that is responsible for energy conservation, restorative functions of the body. Calms the body and returns it to pre-stress states.

enteric

a network of neurons within the digestive tract wall; controls the digestive tract independently of CNS through local reflexes; sometimes considered a division of the autonomic nervous system.

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Which of the following would be considered a function of the nervous system?

Functions of the nervous system include which of the following? providing sensory information to the CNS and carrying motor commands to the peripheral tissues and systems.

Which of the following is a function of the nervous system quizlet?

The primary function of the nervous system is to collect a multitude of sensory information; process, interpret, and integrate that information; and initiate appropriate responses throughout the body.

Which of the following would be considered a function of the peripheral nervous system quizlet?

What are the two major functions of the PNS? It's two major functions are to carry information from the sensory organs and internal organs to the CNS, and to convey information between the CNS and all other parts of the body outside the brain and spinal cord.

What are three functions of the nervous system quizlet?

The three general functions of the nervous system—receiving information, deciding what to do, and acting on those decisions—are termed sensory, integrative, and motor.