Lights, fiber, action! A primer on in vivo fiber photometry

EH Simpson, T Akam, T Patriarchi, M Blanco-Pozo… - Neuron, 2024 - cell.com
Fiber photometry is a key technique for characterizing brain-behavior relationships in vivo.
Initially, it was primarily used to report calcium dynamics as a proxy for neural activity via …

Unraveling the dynamics of dopamine release and its actions on target cells

T Sippy, NX Tritsch - Trends in neurosciences, 2023 - cell.com
The neuromodulator dopamine (DA) is essential for regulating learning, motivation, and
movement. Despite its importance, however, the mechanisms by which DA influences the …

[HTML][HTML] Amygdala activity and amygdala-hippocampus connectivity: metabolic diseases, dementia, and neuropsychiatric issues

J Song - Biomedicine & Pharmacotherapy, 2023 - Elsevier
With rapid aging of the population worldwide, the number of people with dementia is
dramatically increasing. Some studies have emphasized that metabolic syndrome, which …

Stochastic neuropeptide signals compete to calibrate the rate of satiation

SX Zhang, A Kim, JC Madara, PK Zhu, LF Christenson… - Nature, 2024 - nature.com
Neuropeptides have important roles in neural plasticity, spiking and behaviour. Yet, many
fundamental questions remain regarding their spatiotemporal transmission, integration and …

Molecular connectomics reveals a glucagon-like peptide 1-sensitive neural circuit for satiety

AN Webster, JJ Becker, C Li, DC Schwalbe… - Nature …, 2024 - nature.com
Liraglutide and other glucagon-like peptide 1 receptor agonists (GLP-1RAs) are effective
weight loss drugs, but how they suppress appetite remains unclear. One potential …

Advancements in the quest to map, monitor, and manipulate neural circuitry

JL Swanson, PS Chin, JM Romero… - Frontiers in Neural …, 2022 - frontiersin.org
Neural circuits and the cells that comprise them represent the functional units of the brain.
Circuits relay and process sensory information, maintain homeostasis, drive behaviors, and …

Dopamine projections to the basolateral amygdala drive the encoding of identity-specific reward memories

AC Sias, Y Jafar, CM Goodpaster… - Nature …, 2024 - nature.com
To make adaptive decisions, we build an internal model of the associative relationships in
an environment and use it to make predictions and inferences about specific available …

[HTML][HTML] Cell type specificity for circuit output in the midbrain dopaminergic system

S Blaess, S Krabbe - Current opinion in neurobiology, 2023 - Elsevier
Midbrain dopaminergic neurons are a relatively small group of neurons in the mammalian
brain controlling a wide range of behaviors. In recent years, increasingly sophisticated …

Brainstem serotonin neurons selectively gate retinal information flow to thalamus

JDS Reggiani, Q Jiang, M Barbini, A Lutas, L Liang… - Neuron, 2023 - cell.com
Retinal ganglion cell (RGC) types relay parallel streams of visual feature information. We
hypothesized that neuromodulators might efficiently control which visual information streams …

[HTML][HTML] Competition between stochastic neuropeptide signals calibrates the rate of satiation

SX Zhang, A Kim, JC Madara, PK Zhu… - Research …, 2023 - ncbi.nlm.nih.gov
We investigated how transmission of hunger-and satiety-promoting neuropeptides, NPY and
αMSH, is integrated at the level of intracellular signaling to control feeding. Receptors for …