Q. How do I search for the impact of technology on childhood development, especially the senses?

As a general term, the key phrases to search for would be something like, but not limited to, "impact of technology" or "technological impact" and "development". Since you are talking about sensory development, then maybe try "sensory development". However, the phrases "technology" and "development" are going to mash up and it's going to pretend like it things you want technological development, I guarantee.

Here's what I did to get some results:

1. Went to http://libguides.uah.edu/databases
2. Clicked on Academic Search Premier
3. Clicked (upper middle/left, where it says "Searching: Academic Search Premier...") choose Databases
4. Kept ASP, but also chose ERIC (education database), Professional Development Collection (education database), PsycInfo, and PsycArticles (latter two are psychology databases).
5. Then I searched for such things as "use of technology" (on the first line) and "childhood development" on the second. Practically any attempt I made to narrow that down, such as adding "attention span" or "sensory" to the third line gave me less good results.

You can jiggle the first line some, trying things like "technological impact" or "due to technology" or "impact of multimedia". I would do a search for each variation WITH it narrowed down to Full-Text (meaning you can read the article immediately online) and WITHOUT it narrowed down to fulltext, because there may be some articles that we do not have BUT whose titles and abstracts help you to get an idea of current research and development and you can then use those to develop follow-up search strategies back on Full-Text.

After that search, try out some of the other databases in our psychology section (there's one by Sage, and PubMed is often an amazing resource in that it has tons and tons of articles [though they tend to the highly technical, not all are full text [click on "Limits" and you can go down to the lower left set of options and specify only full-text if you prefer] and getting the hang of searching it might take a moment or two]). Other good general databases to search include ABI/Inform and, if you do not absolutely up-to-date articles, JSTOR [JSTOR's indexing tends to lag by a couple of years, but its coverage can go back for some time].

If you do these things and still want more, try out Google Scholar. It can be frustrating at times because it is not quite as professional in structure as the above, but can be more forgiving on wordier searches, such a search for "the impact of multimedia on sensory development of children".