Abstract：
:Prolonged behavioral challenges can cause animals to switch from active to passive coping strategies to manage effort-expenditure during stress; such normally adaptive behavioral state transitions can become maladaptive in psychiatric disorders such as depression. The underlying neuronal dynamics and brainwide interactions important for passive coping have remained unclear. Here, we develop a paradigm to study these behavioral state transitions at cellular-resolution across the entire vertebrate brain. Using brainwide imaging in zebrafish, we observed that the transition to passive coping is manifested by progressive activation of neurons in the ventral (lateral) habenula. Activation of these ventral-habenula neurons suppressed downstream neurons in the serotonergic raphe nucleus and caused behavioral passivity, whereas inhibition of these neurons prevented passivity. Data-driven recurrent neural network modeling pointed to altered intra-habenula interactions as a contributory mechanism. These results demonstrate ongoing encoding of experience features in the habenula, which guides recruitment of downstream networks and imposes a passive coping behavioral strategy.
journal_name
Celljournal_title
Cellauthors
Andalman AS,Burns VM,Lovett-Barron M,Broxton M,Poole B,Yang SJ,Grosenick L,Lerner TN,Chen R,Benster T,Mourrain P,Levoy M,Rajan K,Deisseroth Kdoi
10.1016/j.cell.2019.02.037subject
Has Abstractpub_date
2019-05-02 00:00:00pages
970-985.e20issue
4eissn
0092-8674issn
1097-4172pii
S0092-8674(19)30220-Xjournal_volume
177pub_type
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