Perception and Attention Flashcards Preview

Developmental Psychology > Perception and Attention > Flashcards

Flashcards in Perception and Attention Deck (13):

What is attention

behavioural and cognitive process of selectively concentrating on a discrete stimulus while ignoring other perceivable stimuli


What is a behavioural measure of studying attention

1. eye tracking - look at their preferential looking. can measure pupil size


What are 2 neuroscientific measures of studying attention

1. ERPs - event related potentials. use an EEG. non invasive and reflect cognitive processes

2. fNIRs - brain activity.


What visual capacities are present at birth

can track slow moving objects
limited colour vision
have poor visual acuity


How do infants look at faces

1 month old - focus on outer contours e.g hairline, chin
2 months old - start to focus on inner facial features

prefer to look at faces vs non faces at 2 months
prefer to look at mothers face than stranger face


What did Adler & Orprecio 2006 find to do with visual attention

3 month old infants display visual popout - a unique target can be detected among many distractors that are the same


Why did J. Dittrichová; V. Lapáčková 1964 state infants prefer to look at faces

only awake for a small portion of the day and when they are awake they mainly see faces. so prefer to look at them


What can newborns hear at birth

low frequencies - need to be loud

middle frequencies - same as adults

high frequencies - better than adults


What did Vouloumanos and Werker find to do with auditory attention

sucker more when listening to speech words than when listening to non speech words


What is joint attention

two people sharing attention to an event and monitoring each others attention to it


What did Bakeman and Anderson (1984) do and find to do with joint attention

looked at infants freeplay with mother or another infant.
found as infants get older they spend more time in joint attention - around 9-12 months


How is joint attention linked to autism

Lack of joint attention can be an early sign of autism
respond less to opportunites for joint attention


What does gaze following and joint attention promote

language learning - children who followed gaze and held it longer knew more words by 24 months