Term
What type of afferent nerve fibers carry pain?
Which type of pain is associated with each? |
|
Definition
unmyelinated C fibers - slow, burning pain
lightly myelinated A delta fibers - fast, bright pain
(free nerve endings) |
|
|
Term
What are the 3 ascending nociceptive pathways?
Which is involved in modulating/inhibiting pain? |
|
Definition
Spinothalamic
Spinoreticular
Spino-mesencephalic - modulating/inhibiting |
|
|
Term
What are the 2 dorsal column nuclei?
Which one is more medial? |
|
Definition
N. gracilis & N. cuneatus
-N. gracilis receives info from lower body
-more medial
- N. cuneatus receives info from upper body
-more lateral |
|
|
Term
| What are the C-shaped structures of the Telencephalon? |
|
Definition
lateral ventricles
Caudate nucleus
fornix/hippocampus
(choroid plexus & cortex) |
|
|
Term
| What structures of the diencephalon lie immediately lateral to the 3rd ventricle? |
|
Definition
|
|
Term
| What are the 3 classifications of Thalamic nuclei? |
|
Definition
Specific (relay) nuclei - receive info from below cortex
Association nuclei - receives input from cortex
Non-specific nuclei |
|
|
Term
| Which thalamic nuclei are Association nuclei? |
|
Definition
LD, LP, pulvinar, MD
pulvinar - visual function
LD & LP - intellectual function
MD - relates to pre-frontal cortex
|
|
|
Term
Which of Brodmann's areas is/are synonymous with the motor cortex?
With the post-central gyrus? |
|
Definition
motor cortex/precentral gyrus: area 4
post-central gyrus/somatosensory cortex: areas 3, 1, 2 |
|
|
Term
What is the largest commissure in the brain?
What type of corticofugal fibers would be found there? |
|
Definition
Corpus collosum
- commisural fibers (between hemispheres) |
|
|
Term
| The embryological growth of the internal capsule divides the corpus striatum into what sections? |
|
Definition
Caudate nucleus (above)
Putamen and Globus Pallidus (below |
|
|
Term
| From what area of the body does the VPM nucleus of the thalamus receive input? |
|
Definition
from the Face
(via trigeminal) |
|
|
Term
|
Definition
weakness
(as in an incomplete lesion) |
|
|
Term
In which type of lesion is their flaccid paralysis:
Lower motor neuron lesion or Upper motor neuron lesion? |
|
Definition
LMN - flaccid paralysis
UMN - spastic paralysis |
|
|
