## Step 3 - Words

Words
Complete the table of adjectives, nouns, adverbs and verbs with the correct form of the word.

Adjective | Noun | Adverb | Verb
active | activity | ..... | -
alternative | ..... | alternatively | alternate
critical | critic/criticism | critically | .....
..... | doubt | doutfully/undoubtedly | -
experimental | ..... | - | experiment
intent | intent | ..... | intend
likely/unlikely | ..... | likely/unlikely | -
plastic | ..... | - | -

Read the text and complete with the correct form of the word from the above table.

In a recent study, researchers used a scanner to image the brains of teenagers as they used a social media app similar to Instagram. By watching the ......[1]..... inside different regions of the brain, they discovered that .....[2]..... areas became activated by ‘likes’ and the brain’s reward centre became particularly active. "When teens learn that their own pictures have supposedly received a lot of likes, they show .....[3]..... greater activation in parts of the brain's reward circuitry," says lead author. "This is the same region that responds when we see pictures of a person we love." As part of the experiment, participants were also shown a range of .....[4]..... photos which were mostly neutral showing things like food and friends, and "risky" photos depicting cigarettes and alcohol. But the type of image had no impact on the number of "likes" given by the teens. They were instead more .....[5]..... to 'like' the more popular photos, regardless of what they showed. .....[6]..... this could lead to both a positive and negative influence from peers online. Social media is affecting our brain, particularly its .....[7]....., which is the way the brain grows and changes after experiencing different things. Whenever you learn something new or you experience something, it becomes encoded in your brain. Time spent on social media could, therefore, also cause the brain to change and grow. Perhaps we are becoming better at monitoring what's going on in a whole group of our friends. These new skills are not a good or bad thing, they are just a way of .....[8]..... to our environment. Source: http://edition.cnn.com/