4: Biological Basis of Emotion Flashcards Preview

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What is an emotion?

An internal process that modifies the way an organism responds to certain classes of stimuli


What evidence can we take from Phineas Gage that emotions have a biological basis?

Damaged left frontal lobe led to:
No ability to plan
Poor impulse control
Short temper
Bad social judgment


What did Darwin think about emotions?

They are innate and adaptive
They help us communicate with others


What is James-Lange peripheral feedback theory?

We infer our emotions from changes in our body

I'm trembling therefore i am afriad


What is Cannon-Bard theory?

Emotion and physiological reaction happen simultaniouly


What evidence is there that physical feedback is important in emotions?

People with spinal injury report less intense emotions depending on how high up the injury is


What is the two factor model of emotions?

Our perception of thoughts indicates the type of emotions

The degree of physical arousal determines the intensity of the emotion


What is the Papez circuit?

The circuit connecting the hippocampus and the thalamus was the basis for emotional experiance

Thalamus projects to the sensory cortices and the hypothalamus which implaments a response


What part of the brain has been implicated in discust?

The anterior insula


What is the insula involved in?

The perception of bodily states


What is sham rage?

Coordinated but undirected emotional expression - rage when cortex was removed


What is Kluver-Bucy syndrome?

When the anterior temporal lobe was damaged, monkeys were much more submissive

Leisons result in unusual tameness and a lack of fear


How is the amygdala involved in emotion?

Fear conditioning, activated by negative emotions

Participants with leisons have less fear and are worse a recognising facial expressions


What is the reinforcement model of emotion?

Emotional states happen due to reward and punishment. Omission of these can lead to other emotions

Happiness is a reward we are motivaed to acheive


What is facial feedback theory or unconscious emotions?

Sensory feedback contributes to emotions. People smiled when watching cartoons and found them funnier


What are display rules in emotion?

They vary across cuture and are the norms such as no big displays of emotion in public