Sensation
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Questions and Answers

Which term refers to the detection of physical energy by the sensory organs?

  • Perception
  • Sensation (correct)
  • Transduction
  • Illusion

What is the process by which the nervous system converts an external energy into excitation or inhibition of neurons in the brain?

  • Perception
  • Transduction (correct)
  • Illusion
  • Sensation

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

  • Illusion
  • Perception (correct)
  • Sensation
  • Transduction

What happens when perception does not match reality?

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

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

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

When is the activation of our senses greatest when we first detect the stimulus?

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

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

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

Which term refers to the weakening of the response to a stimulus after the initial activation?

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

What is the term used to describe the brain's interpretation of raw sensory information that does not match reality?

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

What is the term used to describe the activation of our senses when we first detect a stimulus?

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

Which part of the ear converts vibration into neural activity?

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

What is the term for hearing loss caused by something that stops sound from getting through the outer or middle ear?

<p>Conductive hearing loss (D)</p> Signup and view all the answers

What is the term for hearing loss caused by damaged hair cells?

<p>Nerve-induced hearing loss (B)</p> Signup and view all the answers

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

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

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

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

What are the chemical senses that are stimulated by chemicals rather than by light or sound waves?

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

How many basic tastes are we sensitive to?

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

What are the sense receptors in the tongue that respond to different tastes called?

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

Where does the perception of smell and taste occur in the brain?

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

What is the term for our kinesthetic sense that helps us keep track of our location and movement?

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

Which theory suggests that our perception of color is 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 lowest level of a stimulus that we can detect at above chance performance?

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

Which theory proposes a constant proportional relationship between the just noticeable difference (JND) and stimulus intensity?

<p>Weber's Law (A)</p> Signup and view all the answers

What is the term for the condition where people experience a cross-model sensation, like hearing sound when they see colors?

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

Which theory suggests that we perceive color as either red vs. yellow, blue vs. yellow, or black vs. white?

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

What is the term for our ability to detect important information in a noisy place, such as hearing our names in a conversation that doesn't involve us?

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

What is the term for the inability to see, which can result from various visual impairments?

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

How did phrenologists assess the brain in the practice of phrenology?

<p>By examining the bumps on the skull (D)</p> Signup and view all the answers

What did phrenologists associate with the bumps on the skull?

<p>Personality traits and abilities (C)</p> Signup and view all the answers

What was the outcome of the practice of phrenology?

<p>It was proven to be false (A)</p> Signup and view all the answers

What are neuropsychology tests used for?

<p>To test cognitive functioning (D)</p> Signup and view all the answers

What must be considered when designing neuropsychology tests?

<p>Influences of language and culture (A)</p> Signup and view all the answers

In what context are neuropsychology tests used in animal studies?

<p>To study behavior in animals with controlled brain lesions (B)</p> Signup and view all the answers

What is the purpose of brain scans?

<p>To analyze brain activity (B)</p> Signup and view all the answers

Which neurotransmitter is associated with learning and memory?

<p>Glutamate (A)</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 (C)</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 involved in motor function and reward?

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

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

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

Which type of neuropeptide relieves pain?

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

Which brain imaging technique relies on magnetic fields to indirectly visualize brain structure?

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

What brain imaging technique measures changes in blood oxygen level as an indirect correlation of neural activity?

<p>Functional magnetic resonance imaging (FMRI) (C)</p> Signup and view all the answers

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

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

Which brain imaging technique applies strong and rapidly changing magnetic fields to the surface of the skull to enhance or interrupt brain functions?

<p>Transcranial magnetic stimulation (TMS) (B)</p> Signup and view all the answers

Which brain imaging technique measures tiny magnetic fields to detect electrical activity in the brain and the rest of the nervous system?

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

What is the term for the space between neurons through which neurotransmitters travel?

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

What is the term for the electrochemical impulse traveling down the membrane of a neuron that results in a neurotransmitter release?

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

What part of the brain is responsible for speech comprehension?

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

Which part of the brain is involved in movement and muscle control?

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

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

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

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

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

What is the thick bundle of nerves that conveys signals between the brain and the body called?

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

Which part of the nervous system controls and coordinates voluntary movement?

<p>Somatic nervous system (D)</p> Signup and view all the answers

Which gland is known as the 'master gland' and releases hormones that influence growth and reproductive functions?

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

Which sex hormone is involved in sex drive, muscle mass, and development of secondary sex characteristics in males?

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

What is the term for the observable expression of our genetic makeup?

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

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