**Core Concept**
The temporoparietal lobe is a critical region of the brain involved in various higher-order cognitive functions, including language, memory, and spatial processing. Damage to this area can result in specific deficits depending on the exact location and extent of the injury.

**Why the Correct Answer is Right**
In a right-handed person, the left temporoparietal lobe is predominantly responsible for language processing, including speech production, comprehension, and reading. Damage to this area can lead to difficulties with language, such as Broca's aphasia (non-fluent aphasia) characterized by effortful, non-fluent speech. Additionally, the temporoparietal lobe is also involved in spatial processing and recognition, which can result in difficulties with navigation and object recognition.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect as the left temporoparietal lobe is indeed involved in language processing, and damage to this area can lead to language deficits.

**Option B:** This option is incorrect as spatial processing and recognition are indeed functions of the temporoparietal lobe, and damage to this area can result in difficulties with navigation and object recognition.

**Option C:** This option is incorrect as the temporoparietal lobe is not primarily involved in motor function; motor deficits are more commonly associated with damage to the frontal lobe or cerebellum.

**Clinical Pearl / High-Yield Fact**
It is essential to remember that the location and extent of brain damage can have a significant impact on the resulting deficits. The temporoparietal lobe is a critical region, and damage to this area can result in complex and varied cognitive and language deficits.

**Correct Answer: C. Motor function is not primarily associated with the temporoparietal lobe.**