Reticular Formation Notes
This is a sample of our (approximately) 6 page long Reticular Formation notes, which we sell as part of the Neurology Notes collection, a 70-80% package written at Bristol University in 2012 that contains (approximately) 117 pages of notes across 36 different documents.
The original file is a 'Word (Docx)' whilst this sample is a 'PDF' representation of said file. This means that the formatting here may have errors. The original document you'll receive on purchase should have more polished formatting.
Reticular Formation Revision
The following is a plain text extract of the PDF sample above, taken from our Neurology Notes. This text version has had its formatting removed so pay attention to its contents alone rather than its presentation. The version you download will have its original formatting intact and so will be much prettier to look at.
Lecture 46 Reticular Formation
Location o Midbrain- Mesencephalic RF (neurons scattered around here) o Pons- Pontine RF (adjacent to 4th ventricle) o Medulla- Medullary RF Afferent/Efferent o Afferent
Sensory pathways (optic, auditory, olfactory)
SC (touch, pain, temperature)
Cortex o Efferent
Substantia nigra; Red nucleus
Thalamus/hypothalamus Connections o Local projections
• Reflexice and stereotyped behaviours of head and face o Chewing, swallowing, vomiting o Respiratory (coughing, hiccups, sneezing) o o
CVS responses (heart rate, BP)
Long projection systems
Ascending to cortex (reticular activating system)
Functions o o
Alertness and consciousness
Descending to spinal cord
Posture and ANS activity
Sensory (pain) anaesthetics)
Info from hypothalamus (connected to endocrine systems)
SENSORY & MOTOR FUNCTIONS
Organising, co-ordinating and regulating reflexes
Gating and modulating info transfer
AUTONOMIC AND VITAL FUNCTIONS
Regulations of ANS (input on everything innervated by ANS)
Neurotransmitter systems o
Specific group of neurotransmitters
NA; A; DA; 5HT; Histamine= MA
Cell bodies can be localised and axons traced
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