Unit Quiz: Biological Approach

The difference between an fMRI and an MRI brain scan is that - .

• fMRI measures brain activity by detecting changes associated with blood flow.

• MRI uses ionizing radiation to create images of the brain.

• fMRI is used primarily for imaging bones and joints.

• MRI is a type of functional imaging technique.

Which of the following is an ethical concern on the topic of brain imaging techniques?

• Privacy issues related to personal data

• Increased accuracy in medical diagnosis

• Improved understanding of brain functions

• Enhanced treatment options for neurological disorders

The image below displays brain activity as colorful flowing like strands using the water in the brain to produce the image, which brain scanning technique might this be?

• fMRI

• EEG

• PET

• DTI

For each of the definitions/situations below, please choose the word that best fits what is being described. Write the word under the question in the space provided. (a)   / (b)   / (c)  

• Definition A

• Definition B

• Definition C

• Definition D

Michael is researching the effects of caffeine on young children and their physical fitness. Michael takes a group of 10 students for his project. One of the students receives a beverage containing decaf. This student would be given the - .

• beverage containing decaf

• beverage containing caffeine

• sugar-free beverage

• energy drink

Sergei is studying the brain and the varying theories collegiate researchers propose. Sergei has decided that he falls into the category of those who believe that the brain stores specific information and functions in specific locations. Sergei believes in - .

• theory of localization of function

• theory of distributed processing

• theory of neural plasticity

• theory of holistic processing

A student basketball player is in a tied game. The crowd is cheering them on, its the final ten seconds of the game, the students' physical abilities and senses heighten under the pressure and fear of letting others down. The chemical that aided the student in this improvement is - .

• adrenaline

• dopamine

• serotonin

• oxytocin

Bob works at a brain imaging lab. Bob and his colleagues all talk about their beliefs on the brain and information. Bob expresses that he believes all parts of the brain have the ability to perform the same functions and store the same information. Bob believes in - .

• the theory of equipotentiality.

• the theory of localization.

• the theory of neuroplasticity.

• the theory of lateralization.

Chemicals that are distributed throughout the body by the endocrine system that affect behavior for a longer period of time than the nervous system. These chemicals are called- .

• hormones

• neurotransmitters

• enzymes

• vitamins

Based on the study above, what would be the research hypothesis of this study? Use complete sentences and write your answers as though the person reading it has never taken psychology.

• The study hypothesizes that there is a significant relationship between variables X and Y.

• The study hypothesizes that variable X has no effect on variable Y.

• The study hypothesizes that variable Y causes variable X to increase.

• The study hypothesizes that there is no relationship between variables X and Y.