Final answer:
Wayne's inability to describe the contents of his left pocket while his hand was inside suggests a cut to his parietal lobe, which is responsible for sensory and spatial coordination. This is different from frontal lobe damage, such as in the historical case of Phineas Gage, whose personality drastically changed after his prefrontal cortex was impaled by an iron rod.
Step-by-step explanation:
When Wayne was unable to verbally identify the contents of his left pocket while his hand was inside it, Garth deduced that Wayne's parietal lobe must be cut. This type of sensory and spatial coordination is typically associated with the parietal lobe's function in the brain.
In contrast, damage to the frontal lobe, as in the case of Phineas Gage, leads to changes in personality and impulse control due to its role in managing emotions and executive functions. It is interesting to note that after an iron rod penetrated his prefrontal cortex, Phineas Gage experienced a significant personality shift, demonstrating the prefrontal cortex's influence on character and behavior management. This type of injury can illustrate the diverse functions of different brain regions, with the prefrontal cortex being essential for planning and moderating social behavior, and the parietal lobe for sensory perception and spatial awareness.