6
Brain Mechanisms and Emotion
CONTENTS
Historical Approaches to the Neuroscience of Emotion
Early Research on Brain Lesions and Stimulation
Emotion and Subcortical Processes in the Brain
The Amygdala as an Emotional Computer
The Nucleus Accumbens, Dopamine, and the Opiates
Emotion and Cortical Processes in the Brain
Prefrontal Cortex, Emotion, and Emotion Regulation
Anterior Cingulate and Social Pain
Lateralization Effects, Approach and Withdrawal, and Emotion
Neurochemicals and the Emotions
FIGURE 6.0 Image from a functional magnetic resonance imaging (fMRI) study by Leah Somerville and Bill Kelley: coronal slice through the brain showing greater blood oxygen level–dependent response in the right amygdala (the white region indicated by the black arrow) when participants viewed faces previously associated with emotional information, in contrast to faces previously associated with neutral information.
Herein too may be felt the powerlessness of mere Logic … to resolve these problems which lie nearer to our hearts.
(George Boole, 1854, An Investigation of the Laws of Thought, p. 416)
In his book, Awakenings (1973), Oliver Sacks describes treatment of the survivors of the sleeping sickness (encephalitis lethargica), a disease that started in Europe in the ...
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