True

• Spinal cord lumbar motor neuron alpha ACh cell Show Other

• Proximal equivalent dendrite Show Other

• AMPA Show Other

• Glu from Ia axon terminals (reviewed in Show Other
• Intracellular recordings: CMQX and NBQX applied at the soma completely block short duration (i.e. near soma) single fiber EPSPs Show Other
• see Burke 1998 for references). Single-fiber Ia EPSPs have widely varying shapes Show Other
• Show Other
• Show Other
• Show Other
• indicating that Ia synapses are distributed widely over soma-dendrites (confirmed by HRP labelling of Ia afferents on labelled motoneurones: reviewed in Show Other
• SOBiv p88). Glutamate is released from Ia terminals Show Other
• Show Other
• Ia synapses are immunoreactive for GLU Show Other
• Ia EPSPs are mediated largely by AMPA receptors (muscle afferents: Show Other
• single fiber EPSPs: Show Other
• by contrast, Show Other
• found an NMDA component in neonatal rat. Short-term post-tetanic potentiation (PTP) and depression (PTD) occur Show Other
• but not LTP or LTD (SOBiv p90). Show Other