There are multiple definitions:

1. fully convolutional [neural] network(English)

   • NN, DICE, AG, CNN, CTA, IHD
   • Neural network, Artificial intelligence, Medical imaging
   • https://doi.org…mag.2020.101717
   • https://doi.org…SS.2019.2908039

2. functional connectivity network(English)

   • ACDC, NIBS, Bi-LSTM, tACS, tDCS
   • Ophthalmology, Electrophysiology
   • https://doi.org…eur.2021.729703