Development of the senses Flashcards
order of development of senses
- touch
- chemosensory
- vestibular
- auditory
- visual
T or F initially foetuses recoil from facial touch
T
how does the fetus become exposed to taste molecules
via amniotic fluid - into nose and mouth
via blood - into bloodstream via placenta
what taste preferences does the fetus have?
genetic e.g. sweet over bitter
learned e.g. mothers specific diet
t or f taste and flavour are the same
F
what is vestibular senses
responsible for balance and spatial orientation
T or F lack of vestibular stimulation may be linked to slower neurobehavioural development
T
when does foetus first respond to sound
20 weeks
when can fetus detect acoustic stimulation
23-25 weeks
when can fetal responses to sound reliably be detected
27-30 weeks
do babies show preferences for mothers voice
Yes, as well as how mothers voice sounds in the womb
do babies prefer their fathers voice
not immediately after birth
when can babies recognise their own name
5-6 months
which cortex is responsible for vision
occipital lobe
what is visual acuity
the sharpness of an image
what is colour vision
the ability to perceive differences between light composed of different wavelengths
what is 3d vision
shape and size constancy, depth perception
what is object unity
understanding that an object is whole, even though it is partly obscured
what is neonates visual acuity compared to adults
1/30th
T or F we are able to detect all frequencies in the EM spectrum
F
at which stage can we distinguish reds, oranges, blue-green, and blue
2 months old
what is size constancy (Slater et al., 1990)
the ability to perceive an object as having the same size even when the image of that object on the retina changes due to the objects distance from us
findings of Slater et al size constancy
infants even around 4 months old showed evidence of size constancy
what is sshape constancy (Caron et al., 1979)
the ability to perceive an object as having the same shape, even when viewed at different angles
findings of caron shape constancy
infants as young as 4 months were able to demonstrate shape constancy
what was visual cliff illusion
checkerboard under glass
shallow and deep sides
if babies perceive depth they should be unwilling to crawl over
conclusion of visual cliff illusion
conclusion - 9 months old can detect depth but 5 month olds can’t
What is the earliest age that infants show a preference for viewing their mother’s face?
Four hours after birth
