Final Answer:
A patient experiencing mild head trauma is most likely to show deficits in recent memory. Therefore, the correct answer is 3) recent memory.
Explanation:
Mild head trauma, like a concussion, often affects recent memory due to its impact on the brain's function. Recent memory involves the ability to retain and recall information acquired recently, typically within a short timeframe. Head injuries can disrupt this aspect of memory, causing difficulties in remembering recent events, conversations, or tasks. This impairment might manifest as forgetfulness or confusion regarding events occurring shortly before or after the injury.
The nature of mild head trauma commonly affects the hippocampus, a brain region crucial for encoding and retrieving recent memories. Even though other types of memory, such as sensory memory (brief retention of sensory information) or procedural memory (memory for learned skills and procedures), may remain relatively intact after mild head trauma, recent memory tends to be more vulnerable due to the disruption in the brain's ability to form new memories or consolidate recently acquired information.
This impairment in recent memory can lead to challenges in daily functioning, including issues with recalling recent conversations, events, or tasks, impacting the patient's ability to effectively navigate their immediate environment. While deficits in remote memory (recollection of distant past events) might not be as significantly affected by mild head trauma, the disruption in recent memory remains a key area of concern and focus in evaluating and managing patients with such injuries. Therefore, the correct answer is 3) recent memory.