Question | Answer |
Bilateral segmental loss of pain is the result of damage to what region? | central canal of spinal cord |
Bilateral segmental loss of pain is the result of damage to what tracts? | crossing fibers of the lateral spinothalamic on each side |
Unilateral loss of pain is the result of damage to | substantia gelatinosa or dorsal root ganglia or lateral funiculus |
Unilateral loss of conscious proprioception but not pain is the result of damage to | dorsal column |
No loss of conscious proprioception or pain is the result of damage to | ventral horn |
What tract carries IPSILATERAL information about fine touch, pressure, vibration sensation and concious proprioception at T6 and below | fasciculus gracilis |
What tract carries IPSILATERAL information about fine touch, pressure, vibration sensation and concious proprioception at T6 and above | fasciculus cuneatus |
A lesion of what tract would affect gait | Dorsal spinocerebellar |
What tract transmits IPSIlateral signals from muscle spindles and Golgi tendon organs in lower limbs | Dorsal spinocerebellar |
What tract transmits IPSIlateral signals from muscle spindles and Golgi tendon organs in upper limbs | Cuneocerebellar |
What tract transmits CONTRAlateral signals from only Golgi tendon organs in lower limbs | Ventral spinocerebellar |
What tract transmits IPSIlateral signals from only Golgi tendon organs in upper limbs | Rostral spinocerebellar |
What tract transmits CONTRAlateral signals for discriminative pain, temperature, and simple tactile sensations | NeoSpinothalamic - Direct |
What tract transmits arousal emotional components of pain | Indirect: Paleospinothalamic, Spinoreticular, Spinomesencephalic |
What tract controls voluntary movements of both contralateral upper and lower limbs | Corticospinal tract |
What tract facilitates CONTRAlateral flexor motor neurons and inhibit extensor motor neurons | Rubrospinal tract |
What tract facilitates IPSIlateral extensor motor neurons and inhibit flexor motor neurons | Lateral vestibulospinal |
What tract directs head movements in response to visual and auditory stimuli | Tectospinal |
What tract directs head movements in response to posture | Medial vestibulospinal |
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