Ablation or the brain lesioning is a surgical method used in the treatment of psychological or neurological disorders.
In neurobiology, the ablation is used is used as a research tool. In this, scientists cause injury or remove a particular brain region and observe the changes occurring. Thus, the functions of the particular region are inferred.
Other methods used to manipulate brain include, brain stimulation and optogenetics.
Thus, the blanks can be filled with ablation; brain stimulation; optogenetics.