__ is required for the regeneration and maintenance of synaptic connection in the ___.
PNS regeneration is a __-__-__ in mammals; CNS neurons have a limited capacity to regenerate.
Following injury, glial cells (e.g. __ cells) in the PNS contribute to axon regeneration by ___ growth-inhibiting proteins, but not in the CNS.
Is recovery in the CNS as extensive as previously thought?
- NGF, PNS
- hit or miss
- Schwann, blocking
No; most recovery is structural in nature; surviving neurons will have structural changes, or may have behavioral compensation
*Ipsilateral connections can be strengthened and children have the ability for the opposite hemisphere to take over functions of injured sites