Identifying dysfunctional cell types and circuits in animal models for psychiatric disorders with calcium imaging

MM Gergues, LK Lalani, MA Kheirbek - Neuropsychopharmacology, 2024 - nature.com
A central goal of neuroscience is to understand how the brain transforms external stimuli
and internal bodily signals into patterns of activity that underlie cognition, emotional states …

Deconstructing the neural circuit underlying social hierarchy in mice

Q Xin, D Zheng, T Zhou, J Xu, Z Ni, H Hu - Neuron, 2024 - cell.com
Social competition determines hierarchical social status, which profoundly influences
animals' behavior and health. The dorsomedial prefrontal cortex (dmPFC) plays a …

Experience-dependent information routing through the basolateral amygdala shapes behavioral outcomes

P Antonoudiou, BT Stone, PLW Colmers… - Cell reports, 2024 - cell.com
It is well established that the basolateral amygdala (BLA) is an emotional processing hub
that governs a diverse repertoire of behaviors. Selective engagement of a heterogeneous …

Identification of a stress-responsive subregion of the basolateral amygdala in male rats

RJ Aukema, GN Petrie, AK Matarasso… - …, 2024 - nature.com
The basolateral amygdala (BLA) is reliably activated by psychological stress and
hyperactive in conditions of pathological stress or trauma; however, subsets of BLA neurons …

[HTML][HTML] Bidirectional valence coding in amygdala intercalated clusters: A neural substrate for the opponent-process theory of motivation

KM Hagihara, A Lüthi - Neuroscience Research, 2024 - Elsevier
Processing emotionally meaningful stimuli and eliciting appropriate valence-specific
behavior in response is a critical brain function for survival. Thus, how positive and negative …

Disrupted basolateral amygdala circuits supports negative valence bias in depressive states

M Bigot, CH De Badts, A Benchetrit, É Vicq… - Translational …, 2024 - nature.com
Negative bias is an essential characteristic of depressive episodes leading patients to
attribute more negative valence to environmental cues. This negative bias affects all levels …

[HTML][HTML] Biased information routing through the basolateral amygdala, altered valence processing, and impaired affective states associated with psychiatric illnesses

P Antonoudiou, E Teboul, KA Amaya, BT Stone… - Biological …, 2024 - Elsevier
Accumulating evidence supports a role for altered circuit function in impaired valence
processing and altered affective states as a core feature of psychiatric illnesses. We review …

State-and Circuit-Dependent Opponent Processing of Fear

JOY Yau, A Li, L Abdallah, L Lisowksi… - Journal of …, 2024 - jneurosci.org
The presence of valence coding neurons in the basolateral amygdala (BLA) that form
distinct projections to other brain regions implies functional opposition between aversion …

Microprisms enable enhanced throughput and resolution for longitudinal tracking of neuronal ensembles in deep brain structures

MM Hjort, R Gowrishankar, L Tian… - …, 2024 - spiedigitallibrary.org
Significance Microprism-mediated calcium imaging of deep brain structures allows for
reliable tracking of thousands of cells across days, a marked improvement compared with …

The representational geometry of emotional states in basolateral amygdala

PK O'Neill, L Posani, J Meszaros, P Warren… - bioRxiv, 2023 - biorxiv.org
Sensory stimuli associated with aversive outcomes cause multiple behavioral responses
related to an animal's evolving emotional state, but neural mechanisms underlying these …