106 relations: Acoustic impedance, Acoustic quieting, Action potential, Anechoic chamber, Animal echolocation, Audio frequency, Audiogram, Audiology, Audiometer, Audiometry, Auditory brainstem response, Auditory cortex, Auditory hallucination, Auditory processing disorder, Auditory scene analysis, Auditory science, Auditory system, Auricle (anatomy), Basilar membrane, Bat, Bone conduction, Brain, Brainstem, Carp, Cicada, Cochlea, Cochlear nerve, Cochlear nucleus, Conductive hearing loss, Curtain, Depolarization, Dichotic listening, Dither, Dog, Dog whistle, Dolphin, Ear, Ear canal, Eardrum, Earmuffs, Earplug, Electrocochleography, Elephant, Endaural phenomena, Endolymph, Filter (signal processing), Fish, Fourier transform, Frequency, Gas, ..., Giraffe, Hair cell, Hear, hear, Hearing aid, Hearing loss, Hearing range, Hearing test, Herring, Human echolocation, Hyperacusis, Impedance matching, Inferior colliculus, Infrasound, Injury, Liquid, Listening, Mechanical wave, Mechanosensation, Medial geniculate nucleus, Microbat, Midbrain, Neuronal encoding of sound, Organ of Corti, Ossicles, Otoacoustic emission, Oval window, Post-lingual deafness, Presbycusis, Romalea microptera, Round window, Sense, Sensorineural hearing loss, Snake, Solid, Somatosensory system, Sound, Sound localization, Spatiotemporal pattern, Stapedius muscle, Startle response, Stroke, Tectum, Temporal envelope and fine structure, Temporal lobe, Tensor tympani muscle, Tettigoniidae, Thalamus, Tinnitus, Tonotopy, Transduction (physiology), Ultrasound, Ultrasound avoidance, Vibration, Waveform, Wernicke's area, Whale. Expand index (56 more) » « Shrink index
Acoustic impedance and specific acoustic impedance are measures of the opposition that a system presents to the acoustic flow resulting of an acoustic pressure applied to the system.
Acoustic quieting is the process of making machinery quieter by damping vibrations to prevent them from reaching the observer.
In physiology, an action potential occurs when the membrane potential of a specific axon location rapidly rises and falls: this depolarisation then causes adjacent locations to similarly depolarise.
An anechoic chamber (an-echoic meaning "non-reflective, non-echoing, echo-free") is a room designed to completely absorb reflections of either sound or electromagnetic waves.
Echolocation, also called bio sonar, is the biological sonar used by several kinds of animals.
An audio frequency (abbreviation: AF) or audible frequency is characterized as a periodic vibration whose frequency is audible to the average human.
An audiogram is a graph that shows the audible threshold for standardized frequencies as measured by an audiometer.
Audiology (from Latin audīre, "to hear"; and from Greek -λογία, -logia) is a branch of science that studies hearing, balance, and related disorders.
An audiometer is a machine used for evaluating hearing acuity.
Audiometry (from audīre, "to hear" and metria, “to measure") is a branch of audiology and the science of measuring hearing acuity for variations in sound intensity and pitch and for tonal purity, involving thresholds and differing frequencies.
The auditory brainstem response (ABR) is an auditory evoked potential extracted from ongoing electrical activity in the brain and recorded via electrodes placed on the scalp.
The primary auditory cortex is the part of the temporal lobe that processes auditory information in humans and other vertebrates.
A paracusia, or auditory hallucination, is a form of hallucination that involves perceiving sounds without auditory stimulus.
Auditory processing disorder (APD), also known as central auditory processing disorder (CAPD), is an umbrella term for a variety of disorders that affect the way the brain processes auditory information.
In psychophysics, auditory scene analysis (ASA) is a proposed model for the basis of auditory perception.
Auditory science or hearing science is a field of research and education concerning the perception of sounds by humans, animals, or machines.
The auditory system is the sensory system for the sense of hearing.
The auricle or auricula is the visible part of the ear that resides outside the head.
The basilar membrane within the cochlea of the inner ear is a stiff structural element that separates two liquid-filled tubes that run along the coil of the cochlea, the scala media and the scala tympani (see figure).
Bats are mammals of the order Chiroptera; with their forelimbs adapted as wings, they are the only mammals naturally capable of true and sustained flight.
Bone conduction is the conduction of sound to the inner ear through the bones of the skull.
The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals.
The brainstem (or brain stem) is the posterior part of the brain, adjoining and structurally continuous with the spinal cord.
Carp are various species of oily freshwater fish from the family Cyprinidae, a very large group of fish native to Europe and Asia.
The cicadas are a superfamily, the Cicadoidea, of insects in the order Hemiptera (true bugs).
The cochlea is the part of the inner ear involved in hearing.
The cochlear nerve (also auditory or acoustic neuron) is one of two parts of the vestibulocochlear nerve, a cranial nerve present in amniotes, the other part being the vestibular nerve.
The cochlear nuclear (CN) complex comprises two cranial nerve nuclei in the human brainstem, the ventral cochlear nucleus (VCN) and the dorsal cochlear nucleus (DCN).
Conductive hearing loss occurs when there is a problem conducting sound waves anywhere along the route through the outer ear, tympanic membrane (eardrum), or middle ear (ossicles).
A curtain (sometimes known as a drape, mainly in the United States) is a piece of cloth intended to block or obscure light, or drafts, or (in the case of a shower curtain) water.
In biology, depolarization is a change within a cell, during which the cell undergoes a shift in electric charge distribution, resulting in less negative charge inside the cell.
Dichotic Listening is a psychological test commonly used to investigate selective attention within the auditory system and is a subtopic of cognitive psychology and neuroscience.
Dither is an intentionally applied form of noise used to randomize quantization error, preventing large-scale patterns such as color banding in images.
The domestic dog (Canis lupus familiaris when considered a subspecies of the gray wolf or Canis familiaris when considered a distinct species) is a member of the genus Canis (canines), which forms part of the wolf-like canids, and is the most widely abundant terrestrial carnivore.
A dog whistle (also known as silent whistle or Galton's whistle) is a type of whistle that emits sound in the ultrasonic range, which people cannot hear but some other animals can, including dogs and domestic cats, and is used in their training.
Dolphins are a widely distributed and diverse group of aquatic mammals.
The ear is the organ of hearing and, in mammals, balance.
The ear canal (external acoustic meatus, external auditory meatus, EAM; meatus acusticus externus) is a tube running from the outer ear to the middle ear.
In the anatomy of humans and various other tetrapods, the eardrum, also called the tympanic membrane or myringa, is a thin, cone-shaped membrane that separates the external ear from the middle ear.
Earmuffs are objects designed to cover a person's ears for hearing protection or for warmth.
An earplug is a device that is meant to be inserted in the ear canal to protect the user's ears from loud noises or the intrusion of water, foreign bodies, dust or excessive wind.
Electrocochleography (abbreviated ECochG or ECOG) is a technique of recording electrical potentials generated in the inner ear and auditory nerve in response to sound stimulation, using an electrode placed in the ear canal or tympanic membrane.
Elephants are large mammals of the family Elephantidae and the order Proboscidea.
Endaural phenomena are sounds that are heard without any external acoustic stimulation.
Endolymph is the fluid contained in the membranous labyrinth of the inner ear.
In signal processing, a filter is a device or process that removes some unwanted components or features from a signal.
Fish are gill-bearing aquatic craniate animals that lack limbs with digits.
The Fourier transform (FT) decomposes a function of time (a signal) into the frequencies that make it up, in a way similar to how a musical chord can be expressed as the frequencies (or pitches) of its constituent notes.
Frequency is the number of occurrences of a repeating event per unit of time.
Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma).
The giraffe (Giraffa) is a genus of African even-toed ungulate mammals, the tallest living terrestrial animals and the largest ruminants.
Hair cells are the sensory receptors of both the auditory system and the vestibular system in the ears of all vertebrates.
Hear, hear is an expression used as a short, repeated form of hear him.
A hearing aid is a device designed to improve hearing by making sound audible to a person with hearing loss.
Hearing loss, also known as hearing impairment, is a partial or total inability to hear.
Hearing range describes the range of frequencies that can be heard by humans or other animals, though it can also refer to the range of levels.
A hearing test provides an evaluation of the sensitivity of a person's sense of hearing and is most often performed by an audiologist using an audiometer.
Herring are forage fish, mostly belonging to the family Clupeidae.
Human echolocation is the ability of humans to detect objects in their environment by sensing echoes from those objects, by actively creating sounds – for example, by tapping their canes, lightly stomping their foot, snapping their fingers, or making clicking noises with their mouths – people trained to orient by echolocation can interpret the sound waves reflected by nearby objects, accurately identifying their location and size.
Hyperacusis (or hyperacousis) is a debilitating hearing disorder characterized by an increased sensitivity to certain frequencies and volume ranges of sound (a collapsed tolerance to usual environmental sound).
In electronics, impedance matching is the practice of designing the input impedance of an electrical load or the output impedance of its corresponding signal source to maximize the power transfer or minimize signal reflection from the load.
The inferior colliculus (IC) (Latin for lower hill) is the principal midbrain nucleus of the auditory pathway and receives input from several peripheral brainstem nuclei in the auditory pathway, as well as inputs from the auditory cortex.
Infrasound, sometimes referred to as low-frequency sound, is sound that is lower in frequency than 20 Hz or cycles per second, the "normal" limit of human hearing.
Injury, also known as physical trauma, is damage to the body caused by external force.
A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure.
Listening is to give one's attention to sound or action.
A mechanical wave is a wave that is an oscillation of matter, and therefore transfers energy through a medium.
Mechanosensation is a response mechanism to mechanical stimuli.
The medial geniculate nucleus (MGN) or medial geniculate body (MGB) is part of the auditory thalamus and represents the thalamic relay between the inferior colliculus (IC) and the auditory cortex (AC).
The microbats constitute the suborder Microchiroptera within the order Chiroptera (bats).
The midbrain or mesencephalon (from Greek mesos 'middle', and enkephalos 'brain') is a portion of the central nervous system associated with vision, hearing, motor control, sleep/wake, arousal (alertness), and temperature regulation.
The neuronal encoding of sound is the representation of auditory sensation and perception in the nervous system.
The organ of Corti, or spiral organ, is the receptor organ for hearing and is located in the mammalian cochlea.
The ossicles (also called auditory ossicles) are three bones in either middle ear that are among the smallest bones in the human body.
An otoacoustic emission (OAE) is a sound which is generated from within the inner ear.
The oval window (or fenestra vestibuli) is a membrane-covered opening that leads from the middle ear to the vestibule of the inner ear.
Post-lingual deafness is a deafness which develops after the acquisition of speech and language, usually after the age of six.
Presbycusis (also spelled presbyacusis, from Greek presbys "old" + akousis "hearing"), or age-related hearing loss, is the cumulative effect of aging on hearing.
Romalea microptera (syn. Romalea guttata), known commonly as the eastern lubber grasshopper or just lubber grasshopper, is a grasshopper native to the southeastern and south central portion of the United States.
The round window is one of the two openings from the middle ear into the inner ear.
A sense is a physiological capacity of organisms that provides data for perception.
Sensorineural hearing loss (SNHL) is a type of hearing loss, or deafness, in which the root cause lies in the inner ear or sensory organ (cochlea and associated structures) or the vestibulocochlear nerve (cranial nerve VIII).
Snakes are elongated, legless, carnivorous reptiles of the suborder Serpentes.
Solid is one of the four fundamental states of matter (the others being liquid, gas, and plasma).
The somatosensory system is a part of the sensory nervous system.
In physics, sound is a vibration that typically propagates as an audible wave of pressure, through a transmission medium such as a gas, liquid or solid.
Sound localization is a listener's ability to identify the location or origin of a detected sound in direction and distance.
Spatialtemporal patterns are patterns that occur in a wide range of natural phenoma and are characterized by a spatial and a temporal patterning.
The stapedius is the smallest skeletal muscle in the human body.
In animals, including humans, the startle response is a largely unconscious defensive response to sudden or threatening stimuli, such as sudden noise or sharp movement, and is associated with negative affect.
A stroke is a medical condition in which poor blood flow to the brain results in cell death.
The tectum (Latin: roof) is a region of the brain, specifically the dorsal (top) part of the midbrain (mesencephalon).
Temporal envelope (ENV) and temporal fine structure (TFS) are changes in the amplitude and frequency of sound perceived by humans over time.
The temporal lobe is one of the four major lobes of the cerebral cortex in the brain of mammals.
The tensor tympani is a muscle within the ear, located in the bony canal above the osseous portion of the auditory tube.
Insects in the family Tettigoniidae are commonly called bush crickets (in the UK), katydids (in the USA), or long-horned grasshoppers (mostly obsolete).
The thalamus (from Greek θάλαμος, "chamber") is the large mass of gray matter in the dorsal part of the diencephalon of the brain with several functions such as relaying of sensory signals, including motor signals, to the cerebral cortex, and the regulation of consciousness, sleep, and alertness.
Tinnitus is the hearing of sound when no external sound is present.
In physiology, tonotopy (from Greek tono.
In physiology, sensory transduction is the conversion of a sensory stimulus from one form to another.
Ultrasound is sound waves with frequencies higher than the upper audible limit of human hearing.
Ultrasound avoidance is an escape or avoidance reflex displayed by certain animal species that are preyed upon by echolocating predators.
Vibration is a mechanical phenomenon whereby oscillations occur about an equilibrium point.
A waveform is the shape and form of a signal such as a wave moving in a physical medium or an abstract representation.
Wernicke's area, also called Wernicke's speech area, is one of the two parts of the cerebral cortex that are linked to speech (the other is Broca's area).
Whales are a widely distributed and diverse group of fully aquatic placental marine mammals.
Audioception, Auditive Perception, Auditive perception, Auditory perception, Auditory sense, Aural, HEAR, Hear, Hearer, Hearing (human), Hearing (physiology), Hearing (sense), Human Hearing, Human hearing, Sense of hearing.