Jan Is a Right-Handed Violin Player - She Bows with Her

question 1

Multiple Choice

 Jan is a right-handed violin player - she bows with her right hand and fingers the strings with her left. The cortical representation for the fingers on her left hand is _____.

• A) equal to the area for the fingers on her right hand
• B) equal to the area for the fingers on the left hand of a non-musician
• C) larger than the area for the fingers on the left hand of a non-musician
• D) smaller than the area for the fingers on the left hand of a non-musician

---

Definitions:

Venous Sinuses

Large channels in the brain that collect venous blood and drain it into the jugular veins.

Capillary Walls

Thin layers of tissue that form the small blood vessels connecting arterioles and venules, allowing for the exchange of substances between the blood and body tissues.

Permeability Barriers

Structures or partitions that prevent or regulate the passage of substances across them, often referring to skin, mucous membranes, or cell membranes.

Proteins

Essential molecules composed of amino acids that assist in various bodily functions, including catalysis of metabolic reactions, DNA replication, and response to stimuli.