Psychology 10- Chapter 4 cont.
Terms in this set (8)
Prosopagnosia (face-blindness) is an inability to recognize faces
◦ Must use feature-level clues to tell people apart (hair color/length, blemishes, etc.)
◦ In other words, for prosopagnosiacs, faces are not specialized
◦ Analogy: Like telling rocks apart...
- where pathway
aka cerebral achromatopsia or color agnosia
an inability to perceive color despite having a normally functioning eye
might not necessarily affect the entire visual field!
EVIDENCE FOR TWO STREAMS:
DF has difficulty perceiving shapes and object form
this is called agnosia
agnosia is usually caused by damage to the ventral stream
DF is an interesting patient because of her preserved abilities, which illuminate the preserved
function of the dorsal stream
Attentional disorder in which patients are unaware or don't respond to
objects on one side of space.
◦ Usually declines over several weeks.
Patients are often unaware of the neglect.
◦ Fail to compensate by changing orientation
often associated with damage to the right parietal lobe
HOW ARE WE ABLE TO HEAR?
Audition: hearing; the sense of sound perception
Sound wave: a pattern of changes in air pressure during a period of time; produces
◦ Amplitude determines loudness
◦ Frequency determines pitch
◦ Hertz (how frequency is measured)
◦ Humans can detect sound waves from ~20 Hz to ~20,000 Hz.
Sound waves travel from the outer ear to the eardrum.
◦ Eardrum: vibrates as a result of sound waves
◦ Hearing pathway: Sound waves eventually travel to the thalamus and then the auditory cortex
The brain integrates different sensory info coming from each ear.
◦ Ex: Barn owl research subjects
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THIS SET IS OFTEN IN FOLDERS WITH...
Psychology 10-CH. 3
Psychology 10- Chapter 4
Psychology 10- Chapter 7
Psychology 10- Chapter 6(Memory)