Sensation
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Sensation

Created by
@HumourousCarnelian

Questions and Answers

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

Sensation

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

Transduction

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

Perception

What happens when perception does not match reality?

<p>Illusion</p> Signup and view all the answers

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

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

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

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

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

<p>Psychophysics</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</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</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</p> Signup and view all the answers

Which part of the ear converts vibration into neural activity?

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

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

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

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

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

How many basic tastes are we sensitive to?

<p>Five</p> Signup and view all the answers

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

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

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

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

What did phrenologists associate with the bumps on the skull?

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

What was the outcome of the practice of phrenology?

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

What are neuropsychology tests used for?

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

What must be considered when designing neuropsychology tests?

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

What is the purpose of brain scans?

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

Which neurotransmitter is associated with learning and memory?

<p>Glutamate</p> Signup and view all the answers

Which neurotransmitter is inhibitory and causes a calming effect?

<p>GABA</p> Signup and view all the answers

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

<p>Acetylcholine</p> Signup and view all the answers

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

<p>Norepinephrine</p> Signup and view all the answers

Which neurotransmitter is involved in motor function and reward?

<p>Dopamine</p> Signup and view all the answers

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

<p>Serotonin</p> Signup and view all the answers

Which type of neuropeptide relieves pain?

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

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

<p>Synapse</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</p> Signup and view all the answers

What part of the brain is responsible for speech comprehension?

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

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

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

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

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

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

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

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

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

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

<p>Phenotype</p> Signup and view all the answers

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