Dementia dogs

 animal-assisted therapy (AAT)

describes the way a person thinks

nonpharmaceutical

small-scale preliminary study before the main research is conducted

intervention

describes something that is almost the same as something else

pilot study

interaction with an animal as well as a therapist to explore feelings or put a person more at ease

quasi-

action of being involved in a situation to improve it

pre-post

dog that is trained to offer affection, comfort or support in a variety of settings

cognitive

describes evaluation of the effectiveness of therapy before and after an intervention

therapy dog

any type of intervention that is not based on medication