PSYCH261 Lecture Notes - Lecture 8: Sex Steroid, Fear Conditioning, Amygdala
6 Nov 2018
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Introduction: focus on observable and behavioural aspects of emotion. Emotion as a response three behavioural aspects of emotion (bah) Androgens (sex steroid hormones) have a clear effect on aggressive behaviour in both men and women concentrate on: Neurotransmission and hormonal components of emotional expression relationships between frontal function and emotional function. Amygdala: role of amygdala in anxiety and emotion - particularly negative emotions of fear and anger. Several nuclear subgroups of the amygdala - all have specific functions. Central nucleus: central to functions of amygdala. (integrative centre) Medial nucleus: deals with olfactory associations. (middle of face) Amygdala is part of a circuit - it receives input from sensory structures. Outputs emotion to various structures allowing for response to emotion. Emotions can be specific conditioned responses to environmental. Study of individuals who suffer with brain surgery - look at deficits from brain injury. Amygdala - structure in temporal lobes bilaterally.
