Pain pathway

What is mode specific pain?

mechanical or thermal

What is polymodal pain?

thermal, mechanical, chemical

What type of afferent fibres transmit mode specific pain?

Aδ

What type of afferent fibres transmit

C

What type of afferent fibre transmits the first pain?

Aδ

What type of afferent fibre transmits the second pain?

C

What is discriminative (spinothalamic) pain?

specific in nature, site and intensity

What is affective-motivational (spinoreticular) pain?

can be controlled by emotional triggers

What is the green part of the spinothalamic pathway?

ventral posterior lateral nucleus

What part of the brain does the spinothalamic pathway go to?

somatosensory cortex

What is the beige part of the spinoreticular pathway?

reticular formation

What is the medium green part of the spinoreticular pathway?

periaqueductal gray

What is the light blue part of the spinoreticular pathway?

superior colliculus

What is the purple part of the spinoreticular pathway?

medial thalamic nuclei

What is the turquoise part of the spinoreticular pathway?

parabrachial nucleus

What is the dark green part of the spinoreticular pathway?

hypothalamus

What is the light green part of the spinoreticular pathway?

amygdala

What part of the brain does the spinoreticular pathway go to?

anterior cingulate cortex and insula

What is 1?

olfactory bulb

What is 2?

optic chiasm

What is 3?

fornix

What is 4?

corpus callosum

What is 5?

calcarine fissure

What is 6?

cingulate gyrus

Which part of the brain is this?

insula

What is the blue part?

anterior lobule of the insula

What is the yellow part?

posterior lobule of the insula

What is the fold between the yellow and blue part?

central sulcus of the insula

What is the function of the yellow part?

primary cortical representation of skin temperature

What is 1?

primary sensory cortex

What is 2?

internal capsule

What is 3?

ventral posterolateral nucleus of the thalamus

What is 4?

ventral posteromedial nucleus of the thalamus

What is 5?

ventral trigeminothalamic tract

What is 6?

spinal trigeminal nucleus

What is 7?

trigeminal ganglion

What is 8?

lateral spinothalamic tract

What is 9?

What is 10?

Which cortex does this homunculus represent?

primary motor cortex

Which cortex does this homunculus represent?

primary somatosensory cortex

Which area of the dorsal horn is this?

substantia gelatinosa

What is the function of this area of the dorsal horn?

pain gate control