Whole-Brain Mapping of Direct Inputs to Midbrain Dopamine Neurons
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Cites background from "Whole-Brain Mapping of Direct Input..."
...Negative dopamine error responses may arise from GABAergic inputs from VTA, substantia nigra pars reticulata, or striatum (625)....
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...The monosynaptic habenula-dopamine projection is weak (625), and electrophysiology reports depression-activation sequence of VTA and nigral dopamine impulse activity following habenula stimulation (95, 250, 344, 566) that likely involves the inhibitory rostromedial reticular nucleus (226, 249)....
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...Dopamine neurons receive main reward information from striatum, amygdala, subthalamic nucleus, pedunculopontine nucleus, rostromedial reticular nucleus, and GABAergic neurons of pars reticulata of substantia nigra (625)....
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...However, dorsal, medial, and orbital prefrontal cortical areas in monkeys provide probably less direct inputs to dopamine neurons than often assumed (625) but could influence them transsynaptically via the striatum....
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References
15,681 citations
"Whole-Brain Mapping of Direct Input..." refers background or methods in this paper
...Using custom software, we identified 860 Neuron 74, 858–873, June 7, 2012 ª2012 Elsevier Inc. anatomical areas based on a standard mouse atlas (Franklin and Paxinos, 2008) using fluorescent Nissl staining; the location of each neuron was registered on the anatomical coordinate....
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...(I) Unrolled representation of cortical areas as defined in a standard mouse atlas (Franklin and Paxinos, 2008)....
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...anatomical areas based on a standard mouse atlas (Franklin and Paxinos, 2008) using fluorescent Nissl staining; the location of each neuron was registered on the anatomical coordinate....
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...Scale bar, 1 mm. (C) Schematic of cortical areas at the similar bregma level (2.34 mm) as defined by Franklin and Paxinos (2008)....
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...These bands often did not reflect the boundaries of anatomically identified areas (Franklin and Paxinos, 2008), but the densely labeled regions included various areas in the striatum and pallidum and, more posteriorly, the basal forebrain and hypothalamus (Figures 2–4)....
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8,163 citations
"Whole-Brain Mapping of Direct Input..." refers background in this paper
...Electrophysiological studies have shown that dopamine neurons are activated phasically (100–500 ms) by unpredicted reward or sensory cues that predict reward (Bromberg-Martin et al., 858 Neuron 74, 858–873, June 7, 2012 ª2012 Elsevier Inc. 2010; Schultz et al., 1997)....
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...Article...
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3,012 citations
"Whole-Brain Mapping of Direct Input..." refers background in this paper
...Dopamine neurons in the ventral tegmental area (VTA) and substantia nigra pars compacta (SNc) play pivotal roles in various brain functions including motivation, reinforcement learning, and motor control (Cohen et al., 2012; Ikemoto, 2007; Redgrave and Gurney, 2006; Schultz, 2007; Wise, 2004)....
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...Article...
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1,832 citations
"Whole-Brain Mapping of Direct Input..." refers background in this paper
...Previous studies proposed that inputs from the Ce, PB, SC, and the basal forebrain may account for short-latency activations of SNc dopamine neurons (Bromberg-Martin et al., 2010; Coizet et al., 2010; Dommett et al., 2005; Matsumoto and Hikosaka, 2009)....
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...More generally, although the aforementioned findings indicate that dopamine neurons integrate diverse kinds of information, the mechanisms by which the firing of dopamine neurons is regulated in a behavioral context remain largely unknown (Bromberg-Martin et al., 2010; Lee and Tepper, 2009; Sesack and Grace, 2010)....
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...…the aforementioned findings indicate that dopamine neurons integrate diverse kinds of information, the mechanisms by which the firing of dopamine neurons is regulated in a behavioral context remain largely unknown (Bromberg-Martin et al., 2010; Lee and Tepper, 2009; Sesack and Grace, 2010)....
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...Although efforts have been made to identify the sources of such inputs, they remain unidentified (Bromberg-Martin et al., 2010; Coizet et al., 2010; Dommett et al., 2005; Jhou et al., 2009; Matsumoto and Hikosaka, 2007)....
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1,550 citations
"Whole-Brain Mapping of Direct Input..." refers background in this paper
...Importantly, dopamineneuron-projecting striatal neurons differ from GABAergicneuron-projecting medium spiny neurons in their morphology and calbindin D-28k expression, suggesting that these neurons are a new class of medium spiny neurons....
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...Red, calbindin D-28k immunostaining; green, EGFP (input neurons); ac, anterior commissure; AcbC, nucleus accumbens core; AcbSh, nucleus accumbens shell; DS, dorsal striatum....
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...(I) Quantification of calbindin D-28k expression levels. p < 10 13, t test (n = 126, 68 neurons)....
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...The DS can be parceled into patch and matrix compartments that may define distinct projection systems (Gerfen, 1992; Graybiel, 1990)....
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...Red, calbindin D-28k immunostaining....
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