Neurotransmitters and the Central Nervous System

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Questions and Answers

Which practice was popular in the 1800's and assessed the brain by examining enlargements (or bumps) of the skull?

  • Phrenology (correct)
  • Brain mapping methods
  • Cognitive functioning tests
  • Neuropsychology tests

What did phrenologists associate with the enlargements (or bumps) of the skull?

  • Cognitive functioning
  • Personality traits and abilities (correct)
  • Language and culture
  • Brain damage

What was the outcome of the practice of phrenology?

  • Still being studied
  • Proven to be false (correct)
  • Proven to be true
  • Inconclusive

What are neuropsychology tests presently used for?

<p>Testing cognitive functioning (C)</p> Signup and view all the answers

What is an important consideration when designing neuropsychology tests?

<p>Language and culture influences (C)</p> Signup and view all the answers

In what type of studies are brain scans used to study behavior in animals?

<p>Brain lesion studies (C)</p> Signup and view all the answers

What is the main focus of brain mapping methods?

<p>Mapping the brain (D)</p> Signup and view all the answers

Which neurotransmitter is associated with learning and memory?

<p>Glutamate (B)</p> Signup and view all the answers

Which neurotransmitter is inhibitory and causes a calming effect?

<p>GABA (A)</p> Signup and view all the answers

Which neurotransmitter influences arousal, selective attention, sleep, and memory?

<p>Acetylcholine (D)</p> Signup and view all the answers

Which neurotransmitter is associated with brain arousal, mood, hunger, and sleep?

<p>Norepinephrine (D)</p> Signup and view all the answers

Which neurotransmitter is associated with motor function and reward?

<p>Dopamine (D)</p> Signup and view all the answers

Which neurotransmitter is associated with mood, temperature regulation, aggression, and sleep cycles?

<p>Serotonin (A)</p> Signup and view all the answers

Which type of drug interacts with neurotransmitter systems and affects mood, arousal, or behavior?

<p>Psychoactive drugs (B)</p> Signup and view all the answers

Which imaging technique uses magnetic fields to indirectly visualize brain structure?

<p>Magnetic resonance imaging (MRI) (C)</p> Signup and view all the answers

What does functional magnetic resonance imaging (FMRI) measure?

<p>Changes in blood oxygen level (A)</p> Signup and view all the answers

Which imaging technique measures changes in brain activity by examining consumption of radioactive glucose-like molecules?

<p>Positron emission tomography (PET) (A)</p> Signup and view all the answers

What is the function of astrocytes in the brain?

<p>Control blood flow in the brain (A)</p> Signup and view all the answers

What is the resting potential of a neuron?

<p>The membrane potential when the neuron is not being stimulated or inhibited (B)</p> Signup and view all the answers

What is the function of oligodendrocytes in the brain?

<p>Form the myelin sheath (C)</p> Signup and view all the answers

What is the space between neurons through which neurotransmitters travel called?

<p>Synapse (C)</p> Signup and view all the answers

Which lobe of the brain is responsible for hearing and understanding language?

<p>Temporal lobe (A)</p> Signup and view all the answers

Which part of the brain is responsible for vision?

<p>Occipital lobe (B)</p> Signup and view all the answers

Which set of structures, located near the center of the brain, is involved in movement and muscle control?

<p>Basal ganglia (C)</p> Signup and view all the answers

Which part of the brain plays a key role in fear, excitement, and arousal?

<p>Amygdala (A)</p> Signup and view all the answers

Which part of the brain connects the cerebral cortex and spinal cord?

<p>Brain stem (D)</p> Signup and view all the answers

What is the function of the spinal cord?

<p>Conveys signals between the brain and the body (B)</p> Signup and view all the answers

What does the autonomic nervous system control?

<p>Internal organs and glands (B)</p> Signup and view all the answers

What is the function of the pituitary gland?

<p>Releases hormones that influence various bodily functions (D)</p> Signup and view all the answers

What is the study of how behaviors and environment can cause changes that affect the way genes work called?

<p>Epigenetics (C)</p> Signup and view all the answers

Which part of the ear funnels sound waves to the eardrum?

<p>Outer ear (D)</p> Signup and view all the answers

Which part of the ear converts vibration into neural activity?

<p>Inner ear (B)</p> Signup and view all the answers

Which theory suggests that specific locations along the basilar membrane match specific tones and pitches?

<p>Place theory (B)</p> Signup and view all the answers

Which theory suggests that the rate of action potentials is related to pitch?

<p>Frequency theory (B)</p> Signup and view all the answers

What is conductive hearing loss?

<p>Hearing loss caused by something that stops sound from getting through the outer or middle ear (C)</p> Signup and view all the answers

What is nerve deafness?

<p>Hearing loss caused by damage to auditory nerve in the inner ear (C)</p> Signup and view all the answers

What is nerve-induced hearing loss?

<p>Hearing loss caused by damaged hair cells (A)</p> Signup and view all the answers

What are olfaction and gustation commonly referred to as?

<p>The chemical senses (B)</p> Signup and view all the answers

Which part of the nose interacts with airborne chemicals to detect odors?

<p>Nasal passages (D)</p> Signup and view all the answers

Where do taste buds respond to different tastes?

<p>Papillae (D)</p> Signup and view all the answers

Which statement best describes the process of transduction?

<p>Transduction is the process by which the nervous system converts an external energy into excitation or inhibition of neurons in the brain. (C)</p> Signup and view all the answers

What is the role of a sense receptor?

<p>Sense receptors are specialized cells that transduce a specific stimulus. (D)</p> Signup and view all the answers

What is the function of sensory adaptation?

<p>Sensory adaptation is the weakening of the response to a stimulus after the initial activation. (C)</p> Signup and view all the answers

What is the study of physical stimuli and their interactions with our sensory systems called?

<p>Psychophysics (A)</p> Signup and view all the answers

What is the main difference between sensation and perception?

<p>Sensation is the detection of physical energy by the sensory organs, while perception is the brain's interpretation of raw sensory information. (C)</p> Signup and view all the answers

What is an illusion?

<p>An illusion is when perception does not match reality. (A)</p> Signup and view all the answers

What does the field of neuropsychology study?

<p>The field of neuropsychology studies how behaviors and environment can cause changes that affect the way genes work. (C)</p> Signup and view all the answers

What is the function of the autonomic nervous system?

<p>The autonomic nervous system controls involuntary bodily functions such as heart rate and digestion. (B)</p> Signup and view all the answers

What is an important consideration when designing neuropsychology tests?

<p>An important consideration when designing neuropsychology tests is the cultural and linguistic background of the individual being tested. (D)</p> Signup and view all the answers

What is the space between neurons through which neurotransmitters travel called?

<p>Synapse (A)</p> Signup and view all the answers

Which theory explains our ability to perceive color based on three primary colors: blue, green, and red?

<p>Trichromatic theory (A)</p> Signup and view all the answers

Which term refers to the smallest change in intensity of a stimulus that we can detect?

<p>Just noticeable difference (D)</p> Signup and view all the answers

Which part of the eye controls the amount of light that enters the eye?

<p>Iris (B)</p> Signup and view all the answers

What is the condition called when a person sees nearby objects clearly, but distant objects appear blurry?

<p>Myopia (A)</p> Signup and view all the answers

Which of the following is NOT a type of sense receptor in the eye?

<p>Ganglion cells (C)</p> Signup and view all the answers

Which part of the brain is responsible for processing visual information?

<p>Occipital lobe (A)</p> Signup and view all the answers

What is the term for the failure to detect stimuli that are in plain sight when our attention is focused elsewhere?

<p>Inattentional blindness (C)</p> Signup and view all the answers

Which theory views attention as a bottleneck through which only the most important information passes?

<p>Filter theory of attention (B)</p> Signup and view all the answers

What is the term for the ability to detect important information in a noisy environment?

<p>Cocktail party effect (C)</p> Signup and view all the answers

Which term refers to the ability to make correct guesses about visual information without being consciously aware of the object?

<p>Blindsight (B)</p> Signup and view all the answers

Which term refers to the process by which the nervous system converts an external energy into excitation or inhibition of neurons in the brain?

<p>Transduction (B)</p> Signup and view all the answers

What is a specialized cell that transduces a specific stimulus called?

<p>Sense receptor (B)</p> Signup and view all the answers

What is the term for the activation of our senses being greatest when we first detect a stimulus, followed by a weakening of the response?

<p>Sensory adaptation (C)</p> Signup and view all the answers

What is the study of physical stimuli and their interactions with our sensory systems called?

<p>Psychophysics (C)</p> Signup and view all the answers

What is the term for when perception does not match reality?

<p>Illusion (C)</p> Signup and view all the answers

What is the term for the detection of physical energy by the sensory organs?

<p>Sensation (B)</p> Signup and view all the answers

What is the term for the brain's interpretation of raw sensory information?

<p>Perception (D)</p> Signup and view all the answers

What is the term for the failure to detect stimuli that are in plain sight when our attention is focused elsewhere?

<p>Inattentional blindness (C)</p> Signup and view all the answers

Which part of the brain is responsible for processing visual information?

<p>Occipital lobe (D)</p> Signup and view all the answers

What is the term for the smallest change in intensity of a stimulus that we can detect?

<p>Difference threshold (C)</p> Signup and view all the answers

Which portion of the eye controls the amount of light that enters the eye?

<p>Iris (D)</p> Signup and view all the answers

What is the term for the condition where a person sees nearby objects clearly, but objects in the distance may be blurry?

<p>Myopia (B)</p> Signup and view all the answers

Which part of the eye is responsible for sharpness of vision?

<p>Fovea (C)</p> Signup and view all the answers

Which type of receptor cells in the eye allow us to see in color?

<p>Cones (B)</p> Signup and view all the answers

What is the term for the blind spot in our visual field?

<p>Scotoma (C)</p> Signup and view all the answers

Which theory explains our ability to perceive color based on three primary colors: blue, green, and red?

<p>Trichromatic theory (C)</p> Signup and view all the answers

What is the term for the inability to perceive ongoing motion?

<p>Motion blindness (C)</p> Signup and view all the answers

What is the term for the perception of hearing based on the physical properties of sound waves?

<p>Audition (A)</p> Signup and view all the answers

What is the term for the sound that corresponds to the frequency of a wave?

<p>Pitch (C)</p> Signup and view all the answers

What is the term for the amplitude or loudness/volume of sound?

<p>Loudness (A)</p> Signup and view all the answers

What is the function of the cochlea in the inner ear?

<p>To convert vibration into neural activity (D)</p> Signup and view all the answers

Which theory suggests that the rate of action potentials is related to pitch?

<p>Frequency theory (C)</p> Signup and view all the answers

What is conductive hearing loss?

<p>Hearing loss caused by something that stops sound from getting through the outer or middle ear (B)</p> Signup and view all the answers

What are the five basic tastes that we are sensitive to?

<p>Sweet, salty, sour, bitter and umami (C)</p> Signup and view all the answers

Where are taste buds located?

<p>In the tongue (D)</p> Signup and view all the answers

Which part of the brain is responsible for processing smell and taste?

<p>The olfactory cortex (B)</p> Signup and view all the answers

What is the function of the somatosensory system?

<p>To respond to stimuli applied to the skin, temperature, and injury (B)</p> Signup and view all the answers

What is proprioception?

<p>Our sense of movement and action (C)</p> Signup and view all the answers

What are monocular depth cues?

<p>Depth cues that rely on one eye (B)</p> Signup and view all the answers

What is perceptual constancy?

<p>The process by which we perceive stimuli consistently across varied conditions (B)</p> Signup and view all the answers

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