8 Flashcards
Processing station where info is organized before being transmitted to cerebral cortex
Thalamus
receives all sensory inputs except olfactory
Transmission of conscious awareness of pain, touch and temperature
Receives and processes all internal motor systems (basal ganglia, cerebellum)
Thalamus
general arousal via reticular conneciton
sensory connection via spinal cord and brain stem
motor connection via basal ganglia and cerebellum
emotional tone/affect via limbic system and prefrontal lobe connections
Function of the thalamus
Thalamus regions
Anterior= affective (outward projection of emotion) medial = arousal (info to and from reticular formation) lateral = motor posterior = sensory
relays information from subrotical limbic structures to cortical limbic structures (cingulate gyrus) to contribute to emotional tone
Limbic lobe the anterior nucleus
Relays info to and from the prefontal lobe, to contribute to judgement and reasoning
Dorsomedial nucleus (prefrontal lobe)
relay info from globus pallidus of basal ganglia and cerebellum (secondary) to premotor areas and M1 (secondary) important for motor planning/regulation
Ventral anterior nucleus
relays info from cerebellum and globus pallidus of basal ganglia to M1 (primary cb) and premotor areas (primary BG); important for motor output regualtion
ventral lateral nucleus
relays info to sensory areas of the cortex
ventral posterior nucleus
subsections of the ventral posterior nucleus
VPI, VPM, VPL
relay somatosensory info to the cortex
VPM, VPL
relays vestibular info ot the cortex
VPI
relays info among cortical association cortices, including areas 5/7 and areas 18/19
Pulvinar nucleus
relays visual info to primary visual cortex (area 17 of the occipital lobe)
Lateral geniculate nucleus
relays auditory info to primary auditory cortex (area 41 of the temporal lobe)
medial geniculate nucleus