Perceptual devlopment Flashcards
What is perceptual skill?
The ability to interpret senses, focus on auditory and visual perception.
What is the difference between newborn and infant perception?
Newborns are passive and only follow a stimulus, whereas infants are active and purposely seek out information from the environment, movement is crucial contributor to cognitive development.
What is inter-sensory integration?
Infants begin to combine information from several senses, using the episodic buffer.
What is cross-modal transfer?
Can receive information from one modality and transfer it to the other.
What was Metzalf and Borton’s study on dummys 1979?
Infants 29 days old in two groups one group had rough dummy and the other had a smooth, when presented with both the infants focused on the stimulus they had prior.
What is sensory integration disorder/sensory processing disorder (SID/SPD)?
Integrating senses is damaged, making an infant slower, unable to imitate or becoming frustrated at simple tasks. Either hypersensitive or hyposensitive.
What is sensory overload?
This is when all of the senses are not processing correctly and overwhelm a person.
What are the research challenges when studying children?
Ethical issues, cannot damage or change the child’s nature and the child cannot consent, communication may be difficult when they are very young, huge variety in child behaviour and attention span is short.
When can babies hear?
Before birth.
How can we test for auditory perception before birth?
(NNS) Non-nutritive sucking, infants sucking rates changes which indicate the discriminate between pitch and response to auditory stimuli.
and ERPs
What has been found through NNS about language in the womb?
A foetus can recognise their native language through the womb
What did Werker and `Tees find about language discrimination in the womb?
That babies at 6-8 months 90% could discriminate between Hindi and Salish, whereas by 12 months only 10% could due to them languages not being their native language and the brain adapting due to plasticity.
How is visual acuity measured in children?
Showing a photo of two images that are getting more and more similar, can tell through discriminate eye tracking, if they look at one longer than the other. If they don’t they see the images as the same.
Why are eye scanning methods ecologically valid in babies?
They can be put into natural environments with first person cameras rather than always being in a lab.
Why does a baby only see the outline of a face first?
Because they have a preference for edges.