http://www.cell.com/neuron/abstract/S0896-6273%2812%2900584-3
The controversy:
http://www.sciencedirect.com/science/article/pii/S0160289614000270
There was already published a response paper here:
http://www.sciencedirect.com/science/article/pii/S0191886913012804
Based on which I made an infograph so one can quickly respond to those who want to 'disprove IQ' by posting that paper:
