Front

Which brain structure is most associated with the emotion of fear?

Back

Amygdala

Answer explanation

The amygdala is a key brain structure involved in processing emotions, particularly fear. It helps in recognizing threats and triggering the appropriate fear response, making it the most associated structure with the emotion of fear.

Front

During an art class, Benjamin noticed that after staring at a bright red painting for a while, he saw a green afterimage when he looked away. Which of the following supports this observation related to the opponent-process theory of color vision? Options: Afterimages, Color Constancy, Feature Detection, Parallel Processing.

Back

Afterimages

Answer explanation

Afterimages support the opponent-process theory of color vision because they demonstrate how visual receptors respond to opposing colors. When one color is overstimulated, the afterimage appears in the complementary color.

Front

What will an evolutionary psychologist most likely investigate regarding behavior development over generations?

Back

Age of children when they speak their first words

Answer explanation

An evolutionary psychologist focuses on how evolutionary processes shape behavior. Investigating the age children speak their first words relates to innate developmental milestones, making option A the most relevant choice.

Front

Which statement about sleep is valid?

• Longer dreams usually occur during the first sleep cycle.
• Individuals do not typically act out their dreams.
• There are no valid physiological indicators of sleep.

Back

Individuals do not typically act out their dreams.

Answer explanation

Choice B is valid because individuals typically do not act out their dreams; this behavior is associated with a sleep disorder called REM Sleep Behavior Disorder. Choices A and C are incorrect as longer dreams occur in later cycles and there are physiological indicators of sleep.

Front

During a sleep study, Scarlett observed several participants. Which of the following statements concerning sleep is valid?

• Longer dreams usually occur during the first sleep cycle.
• Individuals do not typically act out their dreams.
• There are no valid physiological indicators of sleep.

Back

Individuals do not typically act out their dreams.

Answer explanation

The correct statement is that individuals do not typically act out their dreams. Most people experience dreams without physically acting them out, although some disorders can lead to this behavior.

Front

Which part of the brain is primarily involved when people experience feelings of happiness or sadness?

Back

emotions

Answer explanation

The limbic system is primarily involved in emotions, regulating feelings and emotional responses. It plays a crucial role in how we experience and express emotions, making 'emotions' the correct choice.

Front

A valid statement about sleep is that individuals ________.

Back

do not typically act out their dreams

Answer explanation

The correct choice is that individuals do not typically act out their dreams. Most people experience dreams without physically acting them out, which is a common characteristic of normal sleep.

Front

Readiness to perceive a stimulus in a particular way when Evelyn sees a shape that looks like a snake due to her fear.

Back

perceptual set

Answer explanation

The term 'perceptual set' refers to the mental predisposition to perceive stimuli in a certain way, influenced by expectations, experiences, and context. This makes it the correct choice for describing readiness to perceive a stimulus.

Front

During a biology class, Aria learned that the neurotransmitter acetylcholine is primarily involved in which of the following functions? Options: Muscle movement, Vision, Hearing, Smell

Back

Muscle movement

Answer explanation

The neurotransmitter acetylcholine is primarily involved in muscle movement, as it transmits signals from nerves to muscles, enabling contraction and coordination.

Front

Which neurotransmitter is involved in the regulation of mood and anxiety?

Back

Serotonin

Answer explanation

Serotonin is a key neurotransmitter that plays a crucial role in regulating mood and anxiety. Low levels of serotonin are often linked to mood disorders, making it the correct choice for this question.