Emotions

Question 1

describe the James-Lange theory

Answer 1

Question 2

describe the Cannon-Bard theory

Answer 2

Question 3

describe the Schacther-Singer theory

Answer 3

Question 4

summarize the 3 psychological theories of emotion

Answer 4

Question 5

describe key phylogenic developments in the human brain

Answer 5

• atrophy of the olfactory syste
• expansion of the frontal and parietal lobes
  
  • more flexibility in response than other animals

Question 6

describe the Papez circuit

Answer 6

• cingulate - allows for mechanism of emotion
• belived that the hippocampus processed sensory info. and sends it to the int. thalamic nuclei (mammillary bodies) which then sends info. to the cingulate on “what is this?”
• the hypothalamus mediates physiological arousal, and would converge with the info. from the hippocampus in the cingulate and give rise to the emotional experience

Question 7

contrast LeDoux’s high road vs low road theory

Answer 7

• low road = low-resolution visual info. straight to amygdala (byapasses primary visual cortex)
• high road = high-resolution info to cortex; slower

Question 8

summarize the theorist and the advances they made in the limbic system

Answer 8

Question 9

describe Kluver-Bucy syndrome

Answer 9

temporal lobe and amydala removed

• docility
• loss of fear
• hyperorality
• hyperphagia
• hypersexuality
• psychic blindness
• memory impairment
• aphpasia
• utilization behavior
• seizures

Question 10

describe what these lesions can cause

Answer 10

Kluver-Bucy syndrome

Question 11

contrast pre- and post- injury to the frontal lobe

Answer 11

Phineas Gage case demonstrated that ventromedial frontal lobes play a crtical role in behavioral monitoring and emotion regulation

• prior to frontal lobe injury
  
  • polite
  • socially well
  • well adapted
  • responsible capable
• post-injury
  
  • erratic
  • impatient
  • irreverent
  • emotionally expressive

Question 12

summarize lesions of the limbic system

Answer 12

Question 13

describe the formation of fear memory network

Answer 13

Question 14

describe the formation of extinction memory

Answer 14

The old memory of tone + pain is NOT erased

A new memory of tone + no pain is formed through the ventromedial prefrontal cortex –> down-regulates amygdala

Question 15

describe what is seen

Answer 15

Question 16

Describe the roles of Ventromedial PFC, Amygdala, Hippocampus and Hypothalamus in Fear forming/extinction

Answer 16