Parts of the Brain
Nervous System
Consciousness
Sensation
Sleep and Dreams
100

This part of the brain controls basic survival functions like breathing and heartbeat.

What is the medulla

100

The basic building block of the nervous system.

What is a neuron?

100

Our awareness of ourselves and our environment.

What is consciousness?

100

The process by which sensory receptors detect stimuli.

What is sensation?

100

The natural 24-hour biological cycle that influences sleep and wakefulness.

What is the circadian rhythm?

200

Located in the limbic system, this structure helps form new memories

What is the hippocampus

200

These neurons carry messages from the body to the brain.

What are sensory (afferent) neurons?

200

According to Freud, this part of the mind stores urges, feelings, and ideas not accessible to awareness.

What is the unconscious?

200

The five basic tastes are sweet, sour, salty, bitter, and this savory flavor.

What is umami?

200

In this stage of sleep, dreams are most vivid and the body is temporarily paralyzed.

What is REM sleep?

300

This lobe is responsible for reasoning, planning, and personality

What is the frontal lobe?

300

This fatty layer speeds up neural transmission.

What is the myelin sheath?

300

The “White Bear” experiment showed that trying to suppress a thought can lead to this effect.

What is obsession/rebound effect?

300

The cochlea is located in this sensory organ.

What is the inner ear? (ear)

300

The sleep disorder that involves difficulty falling or staying asleep.

What is insomnia?

400

Damage to this area of the left frontal lobe can cause difficulty producing speech

What is Broca’s area?

400

This neurotransmitter is linked to pleasure and motivation; too much is associated with schizophrenia.

What is dopamine?

400

This principle says we process information on both conscious and unconscious tracks at the same time.

What is dual processing?

400

This type of processing begins with raw sensory input and builds upward to perception.

What is bottom-up processing?

400

The theory that dreams may help the brain process information from the day.

What is the information-processing theory of dreams?


500

This structure connects the left and right hemispheres of the brain, and when severed, can lead to “split-brain” effects.

What is the corpus callosum?

500

The space between neurons where neurotransmitters cross.

What is the synaptic gap (or synapse)?

500

This altered state of consciousness can be induced by suggestion, and about 20% of people are highly susceptible to it.

What is hypnosis?

500

This type of processing uses prior knowledge, models, and expectations to interpret sensory information.

What is top-down processing?

500

This rare disorder causes sudden episodes of overwhelming sleepiness, sometimes leading to collapsing into REM sleep.

What is narcolepsy?