Topographic CA1 input shapes subicular spatial coding
Abstract
Topographic organization characterizes hippocampal circuits, yet its functional significance remains unclear. By selectively disrupting CA1-to-subiculum topographic projections in latrophilin-2 conditional knockout mice, we show that precise topography shapes the anatomical distribution of subicular spatial coding while preserving single-cell tuning. Disrupted topography also selectively impairs boundary vector coding and long-term network stability. Thus, CA1 inputs provide an indispensable scaffold for organizing subicular spatial maps and dynamics.
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Evidence Hub reads this as a preprint, done in animal, not in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.
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