I challenge any informed reader to mention one well established law of neuroscience.

Weber's Law

There are also various findings that might not be called "laws" in your books, but are well-established. I would say that discovering the general characteritics of neural functioning counts as science:

--The existence, characteristics and function of the action potential

--The existance and function of synapses

--The pineal gland is not the seed of the soul

--The functional unit of the brain is the neuron

--The ventricles are not the source of brain activity

--The brain works neither as a completely separated group of "musles" (phrenology) or as a holistic organ (aggregate field theory)

--The localization of various functions (somatosensory and motor corices, hippocampus and medial temporal lobe function in memory, etc . . . )