<documents_info>Research Article: The Role of the Amygdala in Fear and Anxiety  Research Article: The Neurochemistry of Reward and Motivation Research Article: The Genetics of Schizophrenia Research Article: The Neural Basis of Language  Research Article:  The Effects of Exercise on Brain Function </documents_info>
<query>Based on the research articles provided, what are the primary neurotransmitters associated with reward and motivation, and how do they function in the brain?</query>
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<documents_info>Research Article: The Role of the Amygdala in Fear and Anxiety  Research Article: The Neurochemistry of Reward and Motivation Research Article: The Genetics of Schizophrenia Research Article: The Neural Basis of Language  Research Article:  The Effects of Exercise on Brain Function </documents_info>
<query>Based on the research articles provided, what are the primary neurotransmitters associated with reward and motivation, and how do they function in the brain?</query>
user
Chunk
assistant
<query>Based on the research articles provided, what are the primary neurotransmitters associated with reward and motivation, and how do they function in the brain?</query>
<documents_info>Research Article: The Role of the Amygdala in Fear and Anxiety  Research Article: The Neurochemistry of Reward and Motivation Research Article: The Genetics of Schizophrenia Research Article: The Neural Basis of Language  Research Article:  The Effects of Exercise on Brain Function </documents_info>