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Week 4 Lecture Notes - lifespan Development

by: Jasmine Haynes

Week 4 Lecture Notes - lifespan Development PSY 09218

Marketplace > Rowan University > Psychlogy > PSY 09218 > Week 4 Lecture Notes lifespan Development
Jasmine Haynes
GPA 3.32
Lifespan Development
Robert B. Haynes

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About this Document

These are the notes from week 4 of Lifespan Development. Covering the Brain and Sensation and perception.
Lifespan Development
Robert B. Haynes
Class Notes
lifespan development, Human Development
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This 4 page Class Notes was uploaded by Jasmine Haynes on Thursday October 8, 2015. The Class Notes belongs to PSY 09218 at Rowan University taught by Robert B. Haynes in Fall 2015. Since its upload, it has received 13 views. For similar materials see Lifespan Development in Psychlogy at Rowan University.


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Date Created: 10/08/15
Lifespan Development Week 4 0 APGAR Scale 5 vital signs to determine a new born s well beings 0 Breathing Heartbeat Muscle tone Presence of re exes Skin tone The scale used to determine whether each is or isn t present 39 0 absent 1 mild absent 2 normal 00000 0 Stem cells 0 Crested during germinal stage of development 0 Essentially a blank cell capable of becoming a skin muscle or nerve cell 0 Stem cells can be used to replace or heal damaged tissues and cells in the body I Embryonic stem cells 0 Taken from live Embryos 57 days old 0 Results in the destruction of the embryo I Adult stem cells 0 Umbilical cord stem cells 0 Placenta stem cells 0 Can be taken from dead people up to 20 hours after death 0 SIDS Sudden Infant Death Syndrome O Heathy baby dies suddenly for no apparent reason 0 200 3000 babies yearly 0 It s the most common cause of death in infants between 1 month and 1 year 0 The ones that happen between 2 and 4 months many of them were born prematurely or had low birth rate Happens in more males that in females and more in babies of teenage mothers Cause of SIDS is unknown 0 It could be from overheating the baby sleeping on its stomach from the mother 00 smoking from the baby sleeping on its back Temperament kids respond in different ways resulting in different states of emotionality 0 Emotional 0 Strength of an infant s emotional response to a situation and its calming activity 0 Sociability 0 Preference to being with other people 0 Either hides behind mom or wants attention from everyone 0 Hiding behind mom could lead to hyper vigilance Testing The Brain Veins and arteries carry blood Nerves carry information Brain weighs about 31bs and can fit in your hand The basic building blocks of the nervous system the neurons Plaque builds up on the neurons causes sclerosis which leads to multiple sclerosis The brain begins to develop at about 10 weeks and develops until weeks 0 Neurons develop at a rate of 4000 per second Cerebral cortex 0 Wrinkled surface 0 There are roughly 100 billion neurons in the brain OOOOO Neuro transmitters 0 Chemicals that transmit information from one neuron to another 0 You use 100 of your brain The common misconception is that you only use 10 0 Dopamine in decreased levels may lead to Parkinson s disease schizophrenia O Cocaine amphetamines elevate dopamine levels 0 Serotonin causes sleep aggression and depression Plasticity of the brain 0 Healthy neurons may be able to compensate for other neurons 0 Studies have shown that the adult brain can generate new neurons Frontal corteX Controls movement Partial lobe Controls touch Occipital lobe controls vision Temporal lobe controls hearing EEG measures and records electrical activity in the brain with 6 10 electrodes 0 An Xray machine that moves and takes pictures of the brain PET scan examines brain function mapping actual activity in the brain overtime 0 Includes radioactive chemicals and provides a color coded map 0 Pinpoints where certain activities take place in the brain MRI Provides both structural and functional information and also shows activity Endocrine system 0 Consists of glands that secrete chemicals into the blood stream that help control bodily functions The chemicals are called hormones Stomach controls digestive system Kidneys control blood pressure Pancreas regulates insulin controls use of sugar levels controlled by hypothalamus I Pituitary gland releases a variety of hormones that fan out in the system and stimulate the body functions I Sensation and perception O Sensation the stimulation of sense organs how your senses interact with each other 0 Perception the interpretation of sensation forging meaning to what we see hear feel taste and touch 0 Psychophysics study of how a stimulus is translated into a psychological experience 0 Eyes 0 The eye acts like a camera Our eyes see Images upside down and our brains turs it right side up 0 Rods Night Vision 100125 million rods located on the edges of the retina I The eyes become more sensitive to light in the dark 0 Cones Day Vision 5 64 Million cones located in the center of the eye I The eyes become less sensitive to light in the day light 0 Eye problems 0 Nearsightedness I Close Object are clear but distant objects are blurry because images do not make it to the retina O Farsightedness I Distant objects are clear but close objects are burry I Color is a mixture of wave lengths 0 Trichromatic theory of color vision I Tri meaning 3 I Chroma meaning color I Red Green blue 0 Color Blindness I Occurs more in males I Any of the 3 primary colors are not detected 0 Hearing 0 Sound waves travel like light waves but in air pressure instead 0 Hearing is connected to balance 0 The vestibular system contains the structures to help you balance 0 Its is also filled with uid 0 There are only 5 tastes savory sweet salty bitter sour 0 Brain combines taste with the sensation of smell 0 Humans replace their taste buds every 10 days or so 0 Some taste buds do not get replaced as you get and as you get older you taste less 0 Smell O Mucus Thick uid that keeps tissue moist and absorb chemical smells O Cilia Nose hairs O Smells are stronger When foods are hot 0 Taste is a chemical sense 0 Catfish have the keenest sense of smell 0 Chickens have the worst 0 Dogs are 1520 times better than humans 0 Touch 0 Neves carrying signals to the spinal cord 0 Brian 0 Pain is crucial to survival 0 It s a warning system 0 Endorphins the body s natural morphine like pain killers


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