Emotion Flashcards
what are the 6 simple emotions used to build the complex palette of biological interactions
- Fear
- Anger
- Joy
- Sadness
- Surprise
- Disgust
principle human emotion has ________ and ________
Principle human emotion has context and memory
define emotion
A conscious brain function subjectively experienced as a strong feeling directed toward a specific object and typically accompanied by physiological and behavioural changes in the body. This shifts state of consciousness or modifies feeling. It is a way of adapting organisms behaviour.
give two ways the presence of emotional responses have evolved to provide evolutionary advantage
Visceral and motor response to an advancing lion would be avoid punishment.
Receptive approach expressed in romantic love reward of a preferred mate.
what are the key components of emotional biology
sensory systems, diencephalon/ limbic system, hypothalamus and brainstem, spinal cord and autonomic ganglia, effectors cells and emotional responses (including behaviour autonomic activity and hormonal release)
what are the components of the limbic system
cingulate gyrus thalamus hypothalamus amygdala hippocampus
long term potentiation and conditioning of fear is inhibited if you ……
add an NMDA receptor antagonist
what memory mechanism is important for emotion
hebbian mechanisms
what are hebbian mechanisms
an increase in synaptic efficacy arises from a presynaptic cell’s repeated and persistent stimulation of a postsynaptic cell
amygdala atrophy causes reduced response to what emotion
fear
the subjective nature of emotions is based upon what cooperative parts
stimuli feeds into the amygdala dependent associative learning and hippocampal explicit memory which sll contribute to the immediate conscious experience of emotional feeiling (contributing to the working memory in the prefrontal cortex)
what are the two parts that give the subjective nature of emotion
highly integrate and context dependent
dynamic and flexible (moment to moment)
what areas of the brain are switched on by love
the amygdala
the mid temporal cortex
frontal lobe
posterior cingulate
give 3 examples of affective disorders that are associated with dysfunctional emotional states
- Depression low mood.
- Mania exaggerated elevated mood.
- Anxiety inappropriate activation of fear pathways-increased output from amygdala
what is anxiety and how can manipulation of emotional pathways provide therapeutic benefit
inappropriate activation of fear pathways-increased output from amygdala - enhancing inhibition and dampening the amygdala output (eg using benzodiazepines)
