1. What is apraxia?
Inability to execute motor movement when asked to do so. Damage to cerebrum
2. Which neurotransmitter is important for muscle contractions?
3. What part of the brain is critical for procedural memory?
1- Review the split brain experiments discussed in class. Trust me, this is worth 5 points on the
Split brain happens when the connection from the left and right hemisphere are cut and the two
hemisphere are unable to communicate. This happens by a
1. Review the types of memory impaired in patient HM and what types
of memory are intact. What types of memory task could HM learn?
a. HM had Anterograde Amnesia and could not form new memories after.
b. His declarative was NOT intact, but his procedural
Object Recognition and Agnosia
Primary Visual Cortex (V1) damage
What is it?/Ventral
Where is it?/Dorsal
What is it
Inferior temporal cortex
Traumatic Head injury -Males are more likely, single under 30, involve alcohol
Type of TBI
o Penetrating injuries
o Closed head
Open head injuries
o Bullets, knives, lawn darts, scissors
o Cause brain damage and bleeding but also infection
Importance of I-O Psychology
The largest chunk of the day is spent working
They study peoples work lives in order to aid and make more efficient
Applying psychological principles to workplace problems
Application of human differences
3 subfields of I
2) How many hours does the average
newborn sleep per day?
4) At birth the brain has:
Billions of neurons
5)Which of the following statements about neurons is true?
Most neurons are created before birth
10)The last part of the brain to mature is the
PSY 331 Notes 4/28
Formal operational thought
4th and final stage of cognitive development
Characterized by more systematic logic and the ability to think about abstract ideas
Examples seen in adolescent math, social science, and science performance
Children show patterns of ocd type behavior related to eating and sleeping.
First two years is significant in brain growth.
Dendrites cause grey matter to get thicker
At age 6 the brain is at 90%
Corpus callosum is a long thick band of nerve fibers t
Language, Aphasia, and Split-Brain Patients
Test of Lateralization
sodium amytal (Wada) -Injecting an anesthetic into one carotid artery will anesthetize the ipsilateral
hemisphere and when the injection side is language dominan
Types of Tumors
Stages of tumors
Middle childhood: Period between early childhood and early adolescents from 6 to 11
Safeguarded by genetic and environmental factors
Additional protection from education about risks and vaccines
Made past stage where vulnerable to things like malnutri
Review Sheet Exam 2
What types of cells in the brain are affected in patients with MS? Does MS affect the
central or peripheral nervous system?
-The types of cells that are affected in patients with MS are oligodendrocytes and white
1- What types of cells in the brain are affected in patients with MS? Does MS
affect the central or peripheral nervous system?
MS affects the olygodendrocytes, oligodendroglia, and white matter cells in the
brain, but it is caused by killer T-Cells that d