Answer: This MOST likely reflects his ECHOIC memory.
Explanation: in Psychology, the echoic memory is defined as a type of sensory memory that briefly holds audio information for about 4 seconds. His brother's ability to repeat his last few words without actually listening is indicative of the echoic memory.
Echoic memory is one of the three types of sensory memory and it's the kind of memory that do occur when someone's attention is not focused on the speaker but on another thing entirely. The echoic memory last for few seconds usually between two and four seconds.
Other types of sensory memory includes Iconic Memory(which deals with visual memory) and haptic memory(which deals with memory of touch).
Jamal's brother ability to say Jamal's last few words is because of the ECHOIC MEMORY.
The hiking boots and the sleeping bag are two products that she bought and which are necessary for the hiking trip. On the other hand, the want is the pair of jeans, which is a product that she desired and bought, but that is not necessary or useful for the coming trip.
