cogno64 writes "Certain stimuli in the brain, such as the smell of freshly based cookies, lead to higher levels of dopamine that remain after the stimulus is removed, leading to altered behavior through interaction with learning, memory, and executive function. The experiencer is more likely to make a purchase decision based on their heightened dopamine levels, with significant impact for internet marketers. According to research presented at the Society for Neuroscience Annual Meeting today, the neurotransmitter dopamine continues to be released for nearly an hour after neurons are stimulated, suggesting the existence of secondary mechanisms that allow for sustained availability of dopamine in different regions of the brain including areas critical for memory consolidation, drug induced plasticity and maintaining active networks during working memory. Dopamine is a neurotransmitter associated with learning and memory, motor control, reward perception and executive functions such as working memory, behavioral flexibility and decision making. When a novel or salient stimulus occurs, the dopamine neurons in the brain increase their firing rate, boosting the release of dopamine. The dopamine is diffused into the extracellular space of the brain until it can be transported or metabolized."
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