Lecture 7 - Emotion and brain injury Flashcards
(25 cards)
affect
a broad range of feelings that people experience. affect states are emotions or moods
emotions
caused by a specific event and are brief in duration. Action-oriented in nature
moods
the cause is often unclear and they last longer than emotions. Cognitive in nature
what are the components of emotion
behaviour, physiology and feeling
categorical classification of emotion
plutchik’s wheel of emotions
dimensional classification of emotion
valance-arousal model
valance
positive vs negative
arousal
the physiological and/or subjective intensity of the emotion
James-lange view
perception - physiological reactions - feelings of fear
cannon-bard view
perception leads to fear and physiological reactions simultaneously
modern biopsychological view
perception, fear and physiological reactions all happen simultaneously
low road processing
direct from thalamus to amygdala
very fast
high road processing
thalamus to cortex to amygdala
more thorough
physiological component of emotion
ANS changes prepare body for action
fight or flight
facilitates rapid mobilisation of energy
increased heart rate/vasodilation
urbach-wiethe disease
recessive disorder which causes degeneration of the amygdala
GAS
general adaptation syndrome
universal stores response in animals
what did seyle believe was the first stage of GAS
fight or flight
what are the stages of GAS
alarm
resistance
exhaustion
Yerkes-Dodson Law
low anxiety is optimal for difficult tasks and high anxiety is optimal for easy tasks
SAM axis
increased production of adrenaline and noradrenaline
HPA axis
increased production of corticosteroids
PMR
neuronegative symptom
psychomotor retardation - exhausting to do or think anything
low suicide rate
HPA axis in depression
sensitised - cortisol increases risk of illness and promotes inactivity, lethargy and restlessness
psychiatric illnesses
disorders that manifest as abnormalities of thought, feeling or behaviour
