Long-term memory is critical for matched objects to be recognized over time.

With young children, our goal is to strengthen the neuralgic infra-structure of their short-term memory.

This is done as we mentioned through many means, including teaching them to play games; taking them on many excursions and talking about them; and just plane reading to them a lot, to mention a few.
LONG-TERM MEMORY: I may have adequate figure-ground discrimination and short-term memory and still have problems due to problems in Long-term memory.

It may be either an inability to convert to long-term memory, to retain it or to retrieve it. We will have more to say about this when we discuss memory later on.