Class Notes (807,216)
Canada (492,664)
Psychology (3,873)
PSY2105 (183)

Class 7. Physical Development.docx

4 Pages
Unlock Document

University of Ottawa
Caroline Sullivan

Physical Development: Motor Skills, Brain Development and Growth Newborn Reflexes  Eye Blink  Withdrawal  Rooting  Sucking  Swimming  Moro  Palmar Grasp  Tonic Neck  Stepping  Babinski  Some reflexes are evident at birth but disappear by age one Rooting reflex: Tactile stimulation of the cheek elicits a head turn toward the stimulus Palmar reflex: Pressure by an object on the palm of the infant elicits a grasping of the object Moro reflex: Loss of head support elicits a motor sequence of embracing Congenitally Organized Behaviours  Behaviours that don’t require specific external stimulation and are more adaptable than simple reflexes Looking: Infants will engage in examining their surroundings even when they are not externally stimulated (e.g. light) Sucking: Infants suck spontaneously, when not hungry – serves as an exploration tool and to buffer pain and overstimulation Crying: Serves not only to convey hunger, but also emotions; in addition, crying influences early social relationships States of Alertness  Infant alertness varies across day and night in at least six different states: Deep sleep: Eyes closed, no eye movements, regular breathing  Light sleep: Rapid eye movements, low activity level, irregular breathing  Drowsiness: Eyes are open, delayed responses to stimulation  Alert inactivity: Eyes open and bright  Alert activity: Eyes open, high activity level  Crying: Intense crying, high motor activity Sleep Patterns  Sleep moves to an adult-like night-day schedule during the first year.  Sleep needs decline from 18 to 12 hours a day by age 2. SIDS – Sudden Infant Death Syndrome  Sudden and unexpected death of an apparently healthy infant under age 1  Most vulnerable between 2-4 months of age  Risk factors: Sleeping position Bedding, bumper pads, room temperature Maternal smoking and drinking Co-sleeping  SIDS has decreased substantially since Back to Sleep campaign Adult Responsiveness to Infant Cries Depends on: • Interpretation of Cry Adults use cry intensity and context Accuracy improves with experience • Adult Characteristics Empathy Child-centered attitude Perception of control over crying Trends in Motor Skills Development Cephalocaudal  “Head to tail”  Head before arms and trunk, which are before legs Proximodistal  From the center of the body outward  Cont
More Less

Related notes for PSY2105

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.