Ascending And Descending Tracts Of Spinal Cord Ppt Today

Reflexive head turning to visual/auditory stimuli. Key PPT Feature Ideas

| Feature | UMN Lesion | LMN Lesion | |---------|------------|-------------| | Weakness | Yes | Yes | | Muscle tone | Hypertonia (spastic) | Hypotonia (flaccid) | | Reflexes | Hyperreflexia | Hyporeflexia/areflexia | | Babinski sign | Present (extensor) | Absent (flexor) | | Atrophy | Mild (disuse) | Severe, early | ascending and descending tracts of spinal cord ppt

Slide 6-7: Importance of Ascending and Descending Tracts Reflexive head turning to visual/auditory stimuli

| Tract | Modality | Decussation | Destination | |-------|----------|-------------|--------------| | DCML | Fine touch, vibration, proprioception | Medulla | Cortex | | Spinothalamic | Pain, temperature, crude touch | Spinal cord | Cortex | | Spinocerebellar (post) | Unconscious proprioception | None | Cerebellum | | Spinocerebellar (ant) | Unconscious proprioception | Twice | Cerebellum | ascending and descending tracts of spinal cord ppt

Dorsal Column (Fine Touch & Vibration) Content: