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Interoception (Lecture slides) Flashcards

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6121727275What is interoception-Perception of one's own internal physical state -Monitoring integrity of internal body state, some examples -temp -pain -itch -hunger0
6121742921ExteroceptionStimulus from outside body1
6121755018proprioceptionsignals from skin and musculoskeletal (joints, tendons, muscles)2
6121760084What components make up InteroceptionProprioception and visceroception3
6121775434key features of interoception- strong incentive motivational component (urges e.g. blinking, thirst, sneezing) - relative preference assessment (what feels "good" e.g. optimal body temp)4
6121889396what was most activated for interoception perceptioninsula cortex and some of SMA5
6121895693what was correlated with accuracy for the heart and note taskactivation of anterior insula6
6121904123what neural systems underly interoceptionthalamas sends projections to posterior insula, anterior cingulate cortex and somatosensory cortex7
6121916959microscopic divisions of the insulagranular, dysgranular, agranular8
6121934410major macroscopic divisions of insulaposterior (secondary sensory cortex topographic organization of interoceptive afferents) anterior (re-representation and multi-modal integration of interceptive afferents)9
6121964103brain of meditatorsshown to have greater grey matter thickness in insula and prefrontal cortex (only significant with older age)10
6121979583damage to insula does what to smokersmore likely to quit smoking and remain abstinent - no longer experience conscious urges to smoke after quitting11
6121757561visceroceptionsignals from the inner organs (mechano, chemo, thermo, osmoreceptors)12

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