chpt 6 biopsych

What effect does damage to the vestibular senses typically have on an individual?

• Increased hearing sensitivity

• Difficulty with balance and spatial orientation

• Enhanced visual acuity

• Loss of taste sensations

How do both ears assist with sound localization?

• They enhance the clarity of sounds.

• They filter out background noise.

• They detect differences in loudness and timing of sounds reaching each ear.

• They amplify sounds.

What typically describes the sensation of tickling?

• It is a response to consistent pressure.

• It usually requires both light touch and a degree of surprise.

• It is primarily due to deep tissue stimulation.

• It only occurs in certain areas of the body.

What type of taste sensation do bitter receptors primarily detect?

• Sweet substances

• Salty substances

• Sour substances

• Potentially harmful substances

Which area of the cerebral cortex is primarily responsible for processing auditory information?

• Frontal lobe

• Occipital lobe

• Temporal lobe

• Parietal lobe

What is tinnitus?

• A condition characterized by decreased hearing sensitivity.

• A ringing or buzzing sound in the ears that occurs without external sound.

• A type of hearing impairment related to aging.

• An infection affecting the inner ear.

What does the perception of pitch refer to?

• The loudness of a sound

• The amplitude of a sound wave

• The duration of a sound

• The frequency of a sound wave

How is loudness perceived in relation to pitch and amplitude?

• Loudness is determined by the amplitude of the sound wave, while pitch relates to frequency.

• Loudness is solely determined by the duration of the sound.

• Louder sounds have higher frequency and lower amplitude.

• Loudness is independent of amplitude but related to pitch.

What is the primary physiological cause of itching?

• Activation of pain receptors

• Stimulation of free nerve endings in the skin

• Baroreceptor stimulation

• Activation of cold receptors

How do sound waves get converted into electrical potentials in the auditory system?

• Through the action of hair cells in the cochlea.

• Through the conduction of sound waves in the external ear.

• Via vibrations in the tympanic membrane only.

• By mechanical deformation of the ear canal.