FINAL EXAM

Question 1

Eric Kandel

Answer 1

-The siphon is served by 24 sensory neurons whose cells bodies are in the abdominal ganglion
-Siphon sensory neurons form synapses with excitatory and inhibitory inter neurons
-6 motor neurons serving the full
KENDELS EXPLANATION OF HABITUATION
-repeated siphon touches reduce entry of calcium into sensory neurons, which release less neurotransmitter
-smaller EPSPs occur in inter neurons and motor neurons

Question 2

The Phineas Gage

Answer 2

-Major personality changes after the accident
BEFORE: polite, responsible, hard-working, caring, energetic
AFTER: childish, selfish, impatient, disrespectful, angry, highly emotional
-damage to both frontal lobes, especially the left orbitofrontal