shows a question in which mental synthesis of two objects has to be conducted according to the following rule specified in the top row: “the object in the middle column goes on top of the object in the left column” ( the solution in the second square).  
  Part of: Vyshedskiy A, Dunn R, Piryatinsky I (2017) Neurobiological mechanisms for nonverbal IQ tests: implications for instruction of nonverbal children with autism. Research Ideas and Outcomes 3: e13239. https://doi.org/10.3897/rio.3.e13239