ArticleNeuron2024
Compensatory enhancement of input maintains aversive dopaminergic reinforcement in hungry Drosophila.
Article in Neuron, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Cellular and functional dissection of the octopaminergic and tyraminergic system in the Drosophila brain.Current biology : CB · 2026Article
- Exercise attenuates obesity-related cognitive and sleep-circadian dysfunctions by attenuating neuroinflammation via JAK/STAT in sex and age specific manner.International journal of obesity (2005) · 2026Article
- Hunger states modulate aggression via opposing dopamine pathways.Nature communications · 2026Article
- Neuronal Syndecan reduction modulates age- and sex-specific changes in sleep architecture and metabolic remodeling in Drosophila melanogaster.Mechanisms of ageing and development · 2026Article
- Article
- Systematic analysis of mushroom body-innervating dopaminergic neuron activity in different physiological states in Drosophila.Biomedical journal · 2026Article
- Microbiome Integrity Protects Against Glial-Mediated Tau and Amyloid Pathology Through Circadian and Autophagy Homeostasis.bioRxiv : the preprint server for biology · 2026Article
- Regulation of Lipid Dysmetabolism and Neuroinflammation Progression Linked With Alzheimer's Disease Through Modulation of Dgat2.Aging cell · 2026Article
- Hungry for Knowledge: Octopamine Signaling Regulates Hunger-Enhanced Olfactory Learning.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Hunger modulates exploration through suppression of dopamine signaling in the tail of the striatum.Neuron · 2025Article
- Behavior choices amongst grooming, feeding and courting in Drosophila show contextual flexibility, not an absolute hierarchy of needs.The Journal of experimental biology · 2025Article
- Regulation of lipid dysmetabolism and neuroinflammation progression linked with Alzheimer's disease through modulation of Dgat2.bioRxiv : the preprint server for biology · 2025Article
- A distinct neural ensemble to integrate contradictory information and form long-term memory inScience advances · 2025Article
- Twists to Classical Conditioning of AdultCold Spring Harbor protocols · 2025Article
- Unraveling the Pathogenesis of Post-Stroke Depression in a Hemorrhagic Mouse Model through Frontal Lobe Circuitry and JAK-STAT Signaling.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
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Authors and funding
5 authors.
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Abstract
Hungry animals need compensatory mechanisms to maintain flexible brain function, while modulation reconfigures circuits to prioritize resource seeking. In Drosophila, hunger inhibits aversively reinforcing dopaminergic neurons (DANs) to permit the expression of food-seeking memories. Multitasking the reinforcement system for motivation potentially undermines aversive learning. We find that chronic hunger mildly enhances aversive learning and that satiated-baseline and hunger-enhanced learning require endocrine adipokinetic hormone (AKH) signaling. Circulating AKH influences aversive learning via its receptor in four neurons in the ventral brain, two of which are octopaminergic. Connectomics revealed AKH receptor-expressing neurons to be upstream of several classes of ascending neurons, many of which are presynaptic to aversively reinforcing DANs. Octopaminergic modulation of and output from at least one of these ascending pathways is required for shock- and bitter-taste-reinforced aversive learning. We propose that coordinated enhancement of input compensates for hunger-directed inhibition of aversive DANs to preserve reinforcement when required.
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