Midterm Exam Flashcards
(100 cards)
Mesencephalon
Midbrain composed of the tectum and tegmentum
Tectum
“roof”; dorsal structure containing the inferior and superior colliculi
inferior colliculus
structure in the tectum relating to audition
superior colliculus
structure in the tectum relating to vision
tegmentum
“covering”; ventral structure containing the red nucleus and part of the reticular formation
red nucleus
structure in tegmentum relating to motor coordination
hindbrain
pons, medulla, and cerebellum
brainstem
medulla, pons, midbrain
metencephalon
pons and cerebellum
pons
“bridge”; main connection b/w brain and cerebellum
• relates to eye movements in REM
cerebellum
“little brain”; home to most of the neurons and relating to posture, walking, coordination; also integrates and modifies motor output
reticular formation
sleep and consciousness; matrix of nerve fibres and nerve cell bodies that form much of the core of the brainstem, extending from the medulla, from the spinal cord, to the intra-laminate nuclei of the thalamus
raphe nucleus
reticular formation structure related to serotonin synthesis
parvocellular reticular nuclei
reticular formation structure related to regulating exhalation
gigantocellular nuclei
reticular formation structure related to cardiovascular function
myelencephalon
medulla; “relay station” relating to respiration, heart rate, and arousal
diencephalon
thalamus and hypothalamus
thalamus
structure acts as a gateway to the cortex, with all senses except olfaction making synaptic relays here
hypothalamus
the main link between the nervous and endocrine system that controls circadian rhythms, homeostastis, and hormone production
lateral geniculate nucleus
thalamic structure that receives information from RGCs and sends axons to V1
Massa intermedia
thalamic structure that connects the left and right parts
medial geniculate nucleus
thalamic structure that receives information from inner ear and sends axons to A1
ventral posterior nucleus
thalamic structure that projects somatosensory information to primary sensory cortex
pulvinar nucleus
thalamic structure that relates to attention and integrative function