text: Cond. Curr. Res. Theory**1972**, 2, 64–69. 
  Frässle, S.; Aponte, E.A.; Bollmann, S.; Brodersen, K.H.; Do, C.T.; Harrison, O.K.; Harrison, S.J.; Heinzle, J.; Iglesias, S.; Kasper, 
  L.; et al. TAPAS: An Open-Source Software Package for Translational Neuromodeling and Computational Psychiatry. Front. 
  Psychiatry**2021**, 12, 680811. [CrossRef] 
  Smith, R.; Schwartenbeck, P.; Parr, T.; Friston, K.J. An Active Inference Approach to Modeling Structure Learning: Concept 
  Learning as an Example Case. Front. Comput. Neurosci.**2020**, 14, 41. [CrossRef] [PubMed] 
  
  43. 
  
  44. 
  
  45. Neacsu, V.; Mirza, M.B.; Adams, R.A.; Friston, K.J. Structure learning enhances concept formation in synthetic Active Inference 
  
  agents. PLoS ONE**2022**, 17, e0277199. [CrossRef] [PubMed] 