Question 1

If I wanted a person to be unaware of their own actions, then I would need to influence the:

Accepted Answer

The thalamus, reticular formation, and cortex are involved in processing sensory information and consciousness. Influencing these areas can affect awareness and perception of actions.

Question 2

I am sitting home watching a movie. It is a nice, high-speed action adventure flick. I find my eyes are darting all over the screen watching the characters move. Which part of my neurophysiology is thought to be involved?

Accepted Answer

The pathways from the reticular formation through the thalamus and to the cortex are involved in attention and arousal, which are necessary for tracking fast-moving objects on the screen.

Question 3

I am sitting in a movie theater and it dawns on me that there are many things that I could be paying attention to but somehow I ignore that which is unimportant and stick to that which is relevant. This capability is thought to be due to:

Accepted Answer

The answer of I am sitting in a movie theater...

Question 4

I want to make it impossible for me to focus on only relevant stimuli. To do this, I must do influence which one of the following?

Accepted Answer

The thalamus acts as a relay station for sensory information and its connections with the cortex help in filtering and focusing on relevant stimuli. Disrupting these connections would make it difficult to focus on relevant stimuli.

Question 5

In terms of humans, most people sleep between _____ a night.

Accepted Answer

Most adults typically require between 6.5 and 8.5 hours of sleep per night for optimal health and functioning.

Question 6

Interestingly, those who are prone to die earlier are those who:

Accepted Answer

Both getting too little sleep and too much sleep have been associated with higher mortality rates, suggesting that both extremes can be detrimental to health.

Question 7

From the 1960s to the early 1990s, college students appeared to be getting:

Accepted Answer

Research indicates that from the 1960s to the early 1990s, college students were getting less sleep, likely due to increased academic pressures and lifestyle changes.

Question 8

The cyclical biological process that evolved around the daily day-night cycle is referred to as:

Accepted Answer

The circadian rhythm is the biological process that follows a roughly 24-hour cycle, responding primarily to light and darkness in an organism's environment.

Question 9

In humans, circadian rhythms are evident:

Accepted Answer

Circadian rhythms are biological processes that display an endogenous, entrainable oscillation of about 24 hours. They are evident before birth, as fetal circadian rhythms are influenced by the mother's circadian system.

Question 10

If the _____ of an individual is destroyed, then it is likely that person's circadian rhythm will be affected.

Accepted Answer

The hypothalamus contains the suprachiasmatic nucleus, which is responsible for controlling circadian rhythms.

Question 11

Prescribed doses of _____ following a long airplane trip are given to ìresetî the circadian rhythm.

Accepted Answer

Melatonin is a hormone that helps regulate sleep-wake cycles and is often used to adjust the circadian rhythm after disruptions like long flights.

Question 12

The idea that human depression is linked to the day-night cycle is tied to which one of the following?

Accepted Answer

Seasonal affective disorder (SAD) is a type of depression that occurs at a specific time of year, usually in the winter when daylight hours are shorter, linking it to the day-night cycle.

Question 13

It is commonly said that the period from Christmas to New Years is the most depressing. This is thought to be mainly due to:

Accepted Answer

The answer of It is commonly said that the period...

Question 14

Christmas is approaching and I am in a very, good mood. A friend of mine is very depressed though. Based on what I know about states of consciousness, to cheer him up I should:

Accepted Answer

The answer of Christmas is approaching and I am in...

Question 15

According to the textbook, the precise function of sleep is:

Accepted Answer

The precise function of sleep is still unknown, although several theories suggest roles like restoration, memory consolidation, and energy conservation.

Question 16

Which of the following is considered a function of sleep?

Accepted Answer

Sleep serves multiple functions, including conserving energy, restoring the body and brain, and processing emotions, making all the options correct.

Question 17

If I do not get sleep for a number of days, I am likely to:

Accepted Answer

Lack of sleep weakens the immune system, making you more susceptible to illness.

Question 18

If I increase the number of hours that I am awake, it can be expected that my adenosine levels will:

Accepted Answer

Adenosine levels increase with prolonged wakefulness as it accumulates in the brain, promoting sleep pressure and the need for rest.

Question 19

The inability to sleep is called:

Accepted Answer

Insomnia is the inability to sleep.

Question 20

Which of the following is NOT associated with insomnia:

Accepted Answer

Dissociative amnesia is a psychological condition involving memory loss, not directly related to sleep disorders like insomnia.

Quiz 9: Consciousness