pick up

[XINLAI-UE]

Hi,

I was wondering if someone could have a look for me at this phrase, "pick up". What does it mean in this context?
I found a lot of definition for "pick up" in the dictionary, but I am still not sure which one is more suitable for this context.

Thanks for your help.


Professor: ... ... One well-known pair of type preferences is extraversion - introversion. Some people are extraverts and some are introverts. Extraverted people are - by nature - continuously aware of events outside of themselves. Extraverts turn outward - to the world around them - to pick up ... uh ... ideas, values, and interests. Extraverts, therefore, usually have a variety of interests and sort of take an active approach to life. ... ...

[calinative]

"Pick up" in this context seems to imply "adopt"