Midbrain - visual and auditory reflexes; orienting reflexesPons - relay of information from the cochlea and vestibular apparatus; control of movement and sensation from the face; control of masticationMedulla - integration of breathing and swallowing; control of respiration; control of blood pressure; control of cortical arousalReticular Formation:Interconnected nuclei located throughout brain stemLocal projectionsLocal-circuit interneuronsReflex /stereotyped behaviors of face and head:Chewing, swallowing and vomitingRespiratory (coughing, hiccups, sneezing)Cardiovascular responsesLong projection systemsAscending to cortex / Descending to spinal cordFunctions of long projectionsPain/ sensory perceptionPostureWakefulness/ arousal (RAS)Filters incoming stimuli to block irrelevant onesNSC 4366 1nd Edition Lecture 8Outline of Last Lecture I. Cranial NervesOutline of Current Lecture II. BrainstemCurrent Lecture:Midbrain - visual and auditory reflexes; orienting reflexesPons - relay of information from the cochlea and vestibular apparatus; control of movement andsensation from the face; control of masticationMedulla - integration of breathing and swallowing; control of respiration; control of blood pressure; control of cortical arousalThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.Reticular Formation:Interconnected nuclei located throughout brain stem• Local projections • Local-circuit interneurons• Reflex /stereotyped behaviors of face and head:• Chewing, swallowing and vomiting• Respiratory (coughing, hiccups, sneezing)• Cardiovascular responses• Long projection systems • Ascending to cortex / Descending to spinal cord•Functions of long projections • Pain/ sensory perception• Posture• Wakefulness/ arousal (RAS)• Filters incoming stimuli to block irrelevant
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