Answer:
echoic Memory.
Step-by-step explanation:
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.