HBS Lesson 2.1

Question 1

What is communication?

Answer 1

• A message passed from one entity to another & being understood by the second entity

Question 2

What are ways communication occurs in machines & in the human body?

Answer 2

• Computer - electrical signal

• Human Body
Chemical ~ hormones
Electrical ~ nerve impulse

Question 3

What are the consequences of miscommunication in the body?

Answer 3

• Misunderstand sensory input (dyslexia)
• Lack balance
• Uncontrolled body movements
• Paralysis
• Mental illness
• Diabetes
• Heart erythemia

Question 4

How does CNS & the PNS work together to control the body?

Answer 4

Central Nervous System

• brain, brain system, & spinal cord
• brain process sensory input & signals a response
• spinal cord ~ reflex response

Question 5

How do scientist determine which areas of the brain are associated with specific actions, emotions of functions?

Answer 5

Brain injuries ~ Phineas Gage

MRI

Electrodes - Brain Mapping Procedure

Question 6

What are the functions of the main regions of the brain?

Answer 6

• Anterior Cingulate (motivation)
• Frontal Lobe (planning)
• Dorsolateral Prefrontal (executive & logical)
• Lateral Orbitofrontal (appropriate social/ emotional response)
• Amygdala (basic emotions)
• Entorhinal Cortex (memory)
• Hippocampus (memory)
• Brain Stem (body basics)
• Cerebellum (coordinate movement)
• Temporal Lobe (language)
• Occipital Lobe (vision)
• Parietal Lobe (movement)