Controls left hand Faces Gazzaniga Experiment o Man with two brains Evidence of

Controls left hand faces gazzaniga experiment o man

This preview shows page 1 - 3 out of 3 pages.

Controls left hand Faces Gazzaniga Experiment o Man with two brains Evidence of Lateralization Birth o Most turn head to right o ¼ of babies clearly prefer grasping with right hand o Show more left hemispheric response to speech sounds 5-12 months o Left hemisphere – Responds to speech sounds
Image of page 1
Active when babbling Early life o 9/10 individuals are right handed Left Handedness o If both parents are right handed, only 2/100 o If one parent is left handed, 17/100 o If both parents left handed, 46/100 SLEEP & MEMORY o Types of sleep in babies Quiet sleep Active sleep w/ movements and irregular breathing Drowsy Non-Alert waking Fussy or crying o Newborns 50% of sleep = REM (rapid eye movement) Sleep 70% of day 2-3 hours of alert inactivity o 6 months old: 25-30% of sleep is REM Children and Adults spend 20% of sleep in REM o Functions of REM Brain is active Internal stimulation from PGO spikes Visual, auditory, motor areas active PFC active o Memory consolidation (stage 5 REM sleep) Primed hippocampus Theta Waves & repetitive firing o Functions of REM Hippocampus Part of the Limbic System Memory Structure Theta Waves
Image of page 2
Image of page 3

You've reached the end of your free preview.

Want to read all 3 pages?

  • Spring '08
  • Michalski

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture