Brain Surgery Is Sometimes Conducted Under Local Anesthesia While the Patient

question 172

Multiple Choice

Brain surgery is sometimes conducted under local anesthesia while the patient remains awake. During such surgery, suppose the surgeon lightly stimulates a few neurons in the patient's left parietal cortex. What will the patient probably experience?

• A) touch sensation somewhere in the right half of the body
• B) visual sensation somewhere in the left visual field
• C) auditory sensation coming from the right side of the world
• D) movements of the left side of the body

---

Definitions:

Parameter

A numerical characteristic that describes and summarizes an aspect of a population in statistics.

Unbiased Estimator

A statistical estimator whose expected value is equal to the parameter being estimated, indicating accuracy across samples.

Expected Value

The long-run average value of repetitions of the same experiment or random process, calculated as the sum of all possible values weighted by their probabilities of occurrence.

Parameter

A numerical characteristic or feature of a population that is estimated using sample data.