To charlie overcome his phobia of heights, his therapist trains him to relax and then has him imagine climbing a ladder. after charlie visualizes climbing a ladder without anxiety, he attempts to imagine standing at the top of a tall building without feeling anxious. charlie's therapist is using a technique known as

Charlie's therapist is using a technique known as CBT Cognitive Behavioral Therapy.

Explanation:

Cognitive Behavioral tecnique is often used to treat phobias, among other emotional or psychological afections. This tecnique is based on how negative emotionds and thoughts can be shaped into possitive ones, and so this can help deal with phobias or ansiety.

What Charlie's therapyst is doing is helping him relate his fear of hights with something nice and relaxing, that is how according to this tecnique people can overcome his fears by changing the idea of hights as a bad thing.

This tecnique works under the premise that behvior can be shifted with cognitive influence, this theory helps change thoughts that influence fear.

to prevent people from getting the ebola virus, countries around the world paid to doctors develop a new vaccine. now that the vaccine has been made, doctors will need to experiment on a large number of people to find out if it works safely.

what is the greatest limitation that scientists are dealing with as they try to figure out how to experiment with the ebola vaccine?

meditation is a practice of sitting still and quiet for minutes or even hours. it has been practiced for thousands of years and is even a part of religious practices for some people. carefully controlled, repeated measurements of brain activity have shown that meditation does increase certain chemicals in the brain and even grows the part of the brain that people connect with their current surroundings and activities.

are claims about the effects of meditation most likely scientific or pseudoscientific?

not pseudoscientific, because people have made claims about it but scientific observations have not been made