Neurons are a form of credit you can earn and buy on CogniFit. Each time you complete a training session, you earn some Neurons. Playing individual games will not make you earn any Neurons.
You can see how to purchase more Neurons below.
1) Go to Account Settings by clicking on the menu icon in the top-right corner of your personal dashboard.
2) Click on the Neurons tab
3) Choose the package that best suits you
4. Pay by card or using PayPal