Increased ________ after injury- occurs at injury site as well as CNS gate.
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Perception
the more complex organizing of sensory information within the brain and the meaningful interpretations extracted from it.
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receptor cells
Most mammals have a vomeronsal organ which contains ________ specialized for responding to pheromones.
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Pitch perception
the aspect of hearing that allows us to tell how high or low a given tone is.
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neural impulses
Can trigger ________ in taste sensory neurons, which send input to the primary taste ares in the frontal lob and other parts of the brain.
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Salt
balances bodily fluids, sugar provides energy, protein builds tissues.
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Mekxack and Walls Gate- Control Theory of Pain
Pain depends on the degree to which pain input can pass through a gate to the CNS that enters the brain stem.
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Pinna
a flap of skin and cartilage forming the visible portion of the ear.
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Odorants
a substance giving off a smell, can enter through the nostrils or the mouth.
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Psychophysics
the study of relationships between physical characteristics stimuli and sensory experience produces by those stimuli.
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Rods
insensitive to color, mostly responsible for peripheral vision and mission at night.
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Somatosense
we experience pain coming from our bodies, not the world.
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Nasopharynx
opening in the back of the mouth which connects the nasal cavity.
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Nociceptors
free nerve endings of pain sensory neurons located in many parts of the body.
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Flavor
consists of true taste as well as smell.
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Pheromone
a chemical substance that is released by an animal, and acts on their members of its species promote some specific behavioral or psychological response.
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Cones
color sensitive, respoible for clear vision.
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Mother infant bonding
both mothers and newborns can identify each other based on smell alone.
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unpleasant tastes
Generally, pleasentant and ________ correlate to nutritional and non- nutritional foods for our ancestors living in more natural, non- sedentary, environments.
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Sensory receptors
specialized structures that respond to physical stimuli by producing electrical changes that can initiate neural impulses in sensory neurons.
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Sensory adaptation
the change in sensitivity that occurs when a given set of sensory receptors and neurons is either strongly stiulayted or relatively unstiulated for a length of time.
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Absolute threshold
the faintest debatable stimulus of any types of stimulus.
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Olfactory epithelium
contains roughly 6 mil olfactory sensory neurons.
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Physical stimulus
the matter of energy of the physical world that impinges on sense organs.
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Sensation
the basic processes by which sensory organs and nervous system respond to stimuli in the environment and the elementary psychological experiences that result from these processes
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Perception
the more complex organizing of sensory information within the brain and the meaningful interpretations extracted from it
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Physical stimulus
the matter of energy of the physical world that impinges on sense organs
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Sensory receptors
specialized structures that respond to physical stimuli by producing electrical changes that can initiate neural impulses in sensory neurons
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Sensory neurons
spec lined neurons that carry information from sensory receptors into the central nervous system
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Sensory Transduction
when a receptor cell produces an electrical charge in response to physical stimulation
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Sensory adaptation
the change in sensitivity that occurs when a given set of sensory receptors and neurons is either strongly stiulayted or relatively unstiulated for a length of time
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Olfactory epithelium
contains roughly 6 mil olfactory sensory neurons
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Mother-infant bonding
both mothers and newborns can identify each other based on smell alone
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Choosing a genetically compatible mate
many species prefer a mate that smells most opposite of them
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Pheromone
a chemical substance that is released by an animal, and acts on their members of its species promote some specific behavioral or psychological response
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36
Odorants
a substance giving off a smell, can enter through the nostrils or the mouth
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37
Nasopharynx
opening in the back of the mouth which connects the nasal cavity
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38
Flavor
consists of true taste as well as smell
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39
Somatosense
we experience pain coming from our bodies, not the world
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Nociceptors
free nerve endings of pain sensory neurons located in many parts of the body
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Free nerve endings
sensitive nerve terminals throughout the body
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C fibers and A-delta fibers
two types of pain sensory neurons mediate two different waves of pain
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Mekxack and Walls Gate-Control Theory of Pain
Pain depends on the degree to which pain input can pass through a gate to the CNS that enters the brain stem
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Outer Ear
receives and funnels sound waves towards the structure where transduction occurs
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Pinna
a flap of skin and cartilage forming the visible portion of the ear
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Pitch perception
the aspect of hearing that allows us to tell how high or low a given tone is
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Conduction deafness
ossicles become rigid and cannot carry sounds inward from the tympanic membrane to the cochlea
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Receptors
130 million photoreceptors embedded in your retina
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Rods
insensitive to color, mostly responsible for peripheral vision and mission at night
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Cones
color sensitive, respoible for clear vision
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Psychophysics
the study of relationships between physical characteristics stimuli and sensory experience produces by those stimuli
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Absolute threshold
the faintest debatable stimulus of any types of stimulus
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Difference threshold
the minimal difference in magnitude between two stimuli that is required for the person to detect them as different
Studied by 4 people
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Flashcard (33)