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Deep Learning

Definition
AI-generated

Deep learning refers to machine learning with neural networks that contain many layers (deep architectures), trained end-to-end on large datasets; common building blocks include convolutional, recurrent, graph, and transformer layers, often pretrained with self-supervised objectives before task-specific fine-tuning.

Why it matters in GWAS

Deep models power sequence-based variant effect predictors, single-cell foundation models, and some polygenic or multimodal risk tools. Reported accuracy should be separated from genetic validity: deep nets can exploit linkage disequilibrium and hidden structure, so external replication and ancestry-matched evaluation are essential.

Example usage

"The splice impact score came from a deep learning model trained on short genomic windows around annotated splice sites."

References

  • LeCun Y, Bengio Y, Hinton G. (2015). Deep learning. Nature.

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