Wk 5 mechanical & chemical senses Flashcards
1
Q
Between the somatosensory and pain systems, which has nerve bundles that cross over as soon as they enter at the lumbar and cervical spine, and which crosses over at the caudate medulla?
A
The pain system crosses over immediately at the lumbar and cervical spine level and the somatosensory system crosses at the caudate medulla
2
Q
Which sensory pathway is being described? first goes to brainstem: nucleus of the solitary tract • Brainstem -> thalamus • Thalamus -> anterior insula (& caudolateral orbitofrontal cortex) • Two-way projections between brainstem & hypothalamus & amygdala
A
taste
3
Q
As stimulus effectiveness increases, the benefit from spatiotemporal synchronous Visual +Audio stimulus decreases. This describes a multisensory integration phenomena known as:
A
superadditivity. It is more effective for a sum of weaker signals, and becomes much larger than the sum of the parts.
