Question 1

Which neuroimaging technique provides the best spatial resolution for observing brain activity?

Accepted Answer

fMRI

Question 2

A researcher wants to study rapid changes in electrical activity in the brain during a cognitive task. Which technique should they use for optimal temporal resolution?

Accepted Answer

EEG

Question 3

Which part of the neuron is primarily responsible for receiving signals from other neurons?

Accepted Answer

Dendrite

Question 4

During the process of neural communication, what event occurs immediately after the threshold of excitation is reached?

Accepted Answer

Action potential is triggered

Question 5

Which neurotransmitter is most closely associated with movement and reward, and is implicated in Parkinson’s disease?

Accepted Answer

Dopamine

Question 6

A psychoactive drug that mimics the action of a neurotransmitter at the receptor site is called a(n):

Accepted Answer

Agonist

Question 7

Which lobe of the brain is primarily responsible for processing visual information, and what deficit might occur if it is damaged?

Accepted Answer

Occipital lobe; visual impairment

Question 8

The sympathetic nervous system is activated during which type of situation?

Accepted Answer

Emergency or stress

Question 9

Which statement best describes the difference between hormones and neurotransmitters?

Accepted Answer

Hormones travel through the bloodstream, neurotransmitters act across synapses

Question 10

If a person has a genotype for brown eyes ($$BB or$$ $$Bb) $$but has blue eyes, what is this an example of?

Accepted Answer

Phenotype not matching genotype

Question 11

According to Weber’s Law, the just noticeable difference (JND) is:

Accepted Answer

A constant proportion of the original stimulus

Question 12

A person fails to notice a gorilla walking through a basketball game while counting passes. This is an example of:

Accepted Answer

Inattentional blindness

Question 13

Which component of the eye is responsible for focusing light onto the retina?

Accepted Answer

Lens

Question 14

According to the Trichromatic Theory, colour vision is based on:

Accepted Answer

Three types of cones sensitive to different wavelengths

Question 15

Which theory explains the afterimage effect observed when staring at a coloured object and then looking away?

Accepted Answer

Opponent-Process Theory

Question 16

Which part of the ear contains the basilar membrane, crucial for pitch perception?

Accepted Answer

Inner ear

Question 17

A person who cannot smell has which condition?

Accepted Answer

Anosmia

Question 18

Which Gestalt principle explains why we perceive objects as grouped together if they are close to each other?

Accepted Answer

Proximity

Question 19

During which stage of sleep are rapid eye movements and vivid dreams most likely to occur?

Accepted Answer

REM sleep

Question 20

Which category of drugs includes substances like alcohol and benzodiazepines, and what is their primary effect on the nervous system?

Accepted Answer

Depressants; decrease neural activity

PSYC 104 Exam 2 Study Guide: Biological Psychology, Sensation & Perception, and Consciousness

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