Final answer:
The author discusses several brain study techniques including fMRI for active brain region mapping, brain-computer interfaces for neural signal decoding, EEG for electrical activity measurement, neuromodulation methods like DBS for brain function enhancement, and biofeedback for modulating neural activity.
Step-by-step explanation:
The question asks about the specific actions the author mentions that would allow scientists to study the brain through reverse engineering. Based on the information provided, the author discusses various non-invasive and invasive brain imaging and stimulation techniques. These include functional magnetic resonance imaging (fMRI), which measures brain activity by detecting changes in blood oxygen levels during tasks, and brain-computer interface technology, which involves collecting and decoding neural signals to operate devices such as computers or wheelchairs. The author also mentions the use of electroencephalography (EEG) to measure a brain's electrical activity, as well as neuromodulation methods such as deep brain stimulation (DBS) and non-invasive brain stimulation for enhancing various brain functions. Moreover, biofeedback or neurofeedback practices are explained, which combine EEG with operant conditioning to modulate neural activity in real-time.