L'audition et la perception du son

Sound waves vibrate the eardrum, creating pressure changes.

Small bones in the middle ear that amplify and transmit sound vibrations to the inner ear.

Part of the inner ear containing the sensory organ for hearing (organ of Corti).

Sensory structure in the cochlea translating sound vibrations into nerve impulses.

The innermost part of the ear that contains the cochlea, which converts sound waves into nerve signals.

The process of the ear recognizing sound waves.

The eardrum vibrates in response to sound waves, stronger sound = stronger vibration.

Small bones in the middle ear that amplify vibrations from the eardrum

The movement/vibration of a membrane within the cochlea, which senses sound

Different sound frequencies are detected in different areas of the cochlea.

Measurement of sound energy (loudness)

Membrane inside the cochlea, plays key role in transferring vibrations to the inner ear nerve.

Pathways of sound waves through the ear from outer to inner ear, including ossicles and cochlea.

Fluid-filled tubes in the inner ear that detect head movement and contribute to balance.

Inner ear chamber containing the utricle and saccule, essential for balance and linear acceleration.

Spiral-shaped structure in the inner ear; transforms sound vibrations into electrical signals for hearing.

Fluid filling the semicircular canals, the cochlea and the vestibular macules, playing a key role in balance and hearing.

A structure contained in the cochlea that converts sound vibrations into nerve signals sent to the brain.

Sensory structure in the cochlea; translates sound vibrations into nerve impulses.

Part of the inner ear; contains the sensory organ for hearing (Organ of Corti).

Hair cells in the Organ of Corti, crucial for sound detection.

Different fluid-filled chambers/tunnels within the cochlea.

Nerve that transmits auditory signals from the inner ear to the brain.

Different sound frequencies vibrate different parts of the basilar membrane in the cochlea.

High-frequency sounds cause vibrations at the base of the basilar membrane.

Low-frequency sounds cause vibrations at the apex (top) of the basilar membrane.

A measure of how many sound waves pass a point each second.

Different sections of the cochlea respond to different parts of the sound spectrum.

Three fluid-filled canals in the inner ear that detect angular acceleration of the head.

Changes in rotational speed of the head.

A gelatinous structure within the semicircular canals that detects head movement.

Fluid within the semicircular canals.

Hair-like structures on hair cells in the semicircular canals.

Movement of the head around an axis.

The nerve transmitting sensory information from the semicircular canals to the brain.

Expanded region of the semicircular canal, containing sensory receptors.

The cochlea transforms vibrations into electrical signals for our hearing.

The hammer, anvil, and stirrup increase sound vibration strength.

It's a spiral-shaped, fluid-filled passage in the temporal bone.

Middle ear bones increase sound vibration strength.

Converts the eardrum's vibrations to vibrations in the cochlea.

Horizontal sensory structure in the inner ear that detects horizontal acceleration.

Vertical sensory structure in the inner ear that detects vertical acceleration.

Crystals within the membranes detect movement relative to gravity.

Specialized cells in the macula that transduce movement into neural signals.

Nerve carrying signals from the vestibular apparatus to the brain for balance and spatial orientation.

The eardrum's movement in response to sound waves; greater sound intensity = greater vibration.

The three tiny bones in the middle ear amplify and transmit vibrations from the eardrum to the inner ear.

Transforms sound vibrations into nerve impulses that the brain can understand.

Different parts of the basilar membrane vibrate according to the sound's frequency.

High-frequency sounds vibrate the base, while low-frequency sounds vibrate the apex of the basilar membrane.

Carries the auditory signals from the cochlea to the brain.

The inner ear detects sound waves through vibrations of the eardrum, ossicles, and the basilar membrane.

Different sound frequencies are perceived in different locations within the cochlea.

Brain structures at the junction of the pons and midbrain, receiving auditory information from both ears.

Brain areas receiving signals from the inner ear, initially processing auditory input.

Cranial nerve transmitting auditory and balance information from the inner ear to the brain.

Inner ear's capacity enabling the body to sense head position and movement and control of movements.

Complex structure containing the cochlea and semicircular canals, crucial for hearing and balance.

Sequential chain of brain structures through which information from the inner ear travels to the cerebral cortex.

Fluid-filled loops in the inner ear, detecting head rotations and movements. Crucial for balance.

Part of the inner ear that detects head position, movement, acceleration, and orientation to maintain equilibrium.

Fluid-filled tubes in the inner ear, detecting angular acceleration of the head during rotation.

Changes in the rotational speed of the head.

Gelatinous structure within semicircular canals, deforming when the endolymph shifts due to head movement.

Fluid within the semicircular canals, moving with the head as rotation begins.

Hair-like structures on hair cells, bending in response to endolymph movement, triggering nerve impulses.

Movement of the head around an axis.

Expanded region of semicircular canal, containing sensory receptors.

Transmits sensory information from semicircular canals to the brain.

Increased pressure in the endolymphatic system, a fluid-filled space in the inner ear.

Hair cells in the inner ear bend, triggering electrical signals for sound perception.

Different parts of the basilar membrane vibrate according to the sound's frequency.

High-frequency sounds vibrate the base of the basilar membrane.

Low-frequency sounds vibrate the apex (top) of the basilar membrane.

Movement of crystals in the inner ear's vestibular system to detect head movement and orientation.

Hair cells in the vestibular system become more electrically active when they bend in a specific direction, leading to signal transmission of head movement.

Specialized cells in the inner ear that convert mechanical stimuli (like sound vibrations) into electrical signals.