Direct manipulation of brain activity can be used to investigate causal brain-behavior relationships. Current noninvasive neural stimulation techniques are too coarse to manipulate behaviors that correlate with fine-grained spatial patterns recorded by fMRI. However. these activity patterns can be manipulated by having people learn to self-regulate their own recorded neural activity. https://www.parisnaturalfoodes.shop/product-category/lemon-lime-soda-pop/