Biological Bases of Mental Life

Question 1

Central nervous system

Answer 1

(brain and spinal cord)

Question 2

Peripheral nervous system

Answer 2

1. Somatic NS- sends sensory info to and from the central nervous system. (Semi) intentional actions.
2. Autonomic NS- Basic life processes.
   - 1. Sympathetic NS: response to threat.
   - 2. Parasympathetic NS: calms down

Question 3

Neurons

Answer 3

1. Sensory neurons (input)
   Sensory information from sensory cells to brain.
2. Inter neuron
   Connects neurons (brain and spinal cord).
3. Motor neuron (output)
   From interneurons to glands and muscles.

Question 4

Firing of a neuron

Answer 4

• Resting state= -70 mV
• Action potential= -55mV
• Recieving neuron is more or less liekly to fire.