I am doing a journal review paper. What are the implications of this work (i.e. what light does it shed on the particular topic related to psychology)?

I do not understand the question. What is it asking me to do?

As in what does this paper contribute to the field of psychology.

How can the information be used or change the thinking about psychological topics?

The question is asking you to explain the implications or the significance of the work you are reviewing in your journal paper. In other words, you need to discuss the meaningful insights or conclusions that the work brings to the field of psychology or the specific topic you are studying. This could involve identifying new knowledge, confirming previous findings, challenging existing theories, or suggesting practical applications or future research directions.