Reticular Formation Flashcards
(true/false) The reticular cortex dendrites extend all the way down the spinal cord.
true
The reticular formation can cover up to ___ of cross-sectional surface area of the brain stem.
1/4
The reticular formation receives (specific/non-specific) information
non-specific
What originates at the reticular formation?
- reticulospinal tract
- output from the cerebellum
What cranial nuclei does the reticular formation connect?
vestibular nuclei and ocular nuclei (CN III, IV, VI)
The reticular formation controls eye movements via the ______.
Medial longitudinal fasciculus (MLF)
The reticular formation acts as the activating center for the _____ of the brain.
cerebral cortex
A ____ often results from the separation of the reticular formation and the cortex.
coma
The reticular formation is frequently damaged with ___.
head injuries
(true/false) The reticular formation affects either parasympathetic or sympathetic branches of the ANS, but not both.
FALSE
What are the functions of the reticular formation?
- consciousness/wakefulness
- eye movements
- HR, BP, respiratory rate
- pain
- attention
- addiction
- breathing
The reticular formation has receptors in the ____ and ___ bodies of the cardiac system and receptors in the ___ and ____ respiratory system.
carotid and aortic bodies
lung receptors and CO2 receptors
What major nuclei of the reticular formation play a major role in various physiologic functions and are the source of many neurotransmitters?
- locus ceruleus
- raphe
- pedunculopontine
- ventral tegmental area (not reticular)
What major nuclei of the reticular formation play a role in the NE system?
- locus ceruleus
- reticular neurons
The NE system of the reticular formation is involved in what?
- attention
- activation of spinal motor neurons
