THE BRAIN
and NERVOUS SYSTEM
and NERVOUS SYSTEM
What is the protective layer around a cell body that aids and speeds up the transport of messages to the brain?
Myelin Sheath
Define Personality
Personality is an individual's unique pattern of thoughts,feelings and behaviour that are relatively stable over time and across situations.
What is the independent variable in an Experiment?
The IV is what we want to test in the experiment
The IV is manipulated/changed in order to measure its effect on the dependent variable
Name 5 crime scene vocabulary
Crime scene, Primary crime scene ,Secondary crime scene ,Suspect,Accomplice ,Alibi ,Staging or Signiture
What is the cerebrum responsible for?
directing our conscious motor (movement) activities and and receiving and processing a range of sensory information
What are the three main parts of the brain?
The three main parts are the cerebrum, brainstem and cerebellum.
What is the definition of ID
adding morals-acting based on morals
What is an extraneous variable?
Any variable not being investigated that has the potential to affect the outcome of a research study.
What is testosterone?
when a person needs to assert their dominance and they feel threatened (in their home, with their partner and/or children, or if they need access to food and shelter).
What is the function of Inhibitory?
Decreases the overall activity of a neurons makes it less likely to ‘fire’
What are the three labeled sections of the brain?
The forebrain, the midbrain and the hindbrain
What is the definition of EGO
dealing with reality- making decisions
What is generalisation?
Making an assumption based on prior results.
What is the difference between nature and nurture?
Nature is Due to inherited characteristics and innate drives and nurture is Due to environmental influences and learning.
What is the function of the Excitatory?
Increases the overall activity of a neuron, Makes it more likely to ‘fire’
What are the 3 functions of the nervous system?
Receive information, process information and act according to the information received.
What is the definition of SUPEREGO
meeting basic needs- not really thinking
What is the dependent variable in an experiment?
What is changed by the independent variable
what is the weapon focus effect?
When an eyewitness has a decreased ability to give an accurate description of the perpetrator of a crime because their attention is directed towards a weapon present during that crime.
what are some factors that influence the jury?
-race and cultural background
-attractiveness
What is the function of neurotransmitters?
to carry chemical signals (“messages”) from one neuron to the next target cell.
What is the 5 factor model?
- . Openness
Consciousness
Extra version
Agreeableness
Neuroticism
Which sampling method is used based on ease and simplicity for the data collector?
Convenience sampling
what is a leading question?
Leading questions are questions that are worded to suggest a particular answer. For example, if you say 'did you see the broken glass? ' it implies that there was broken glass and therefore the witness is more likely to say 'yes'.
what is the difference between conscious and unconscious?
Consciousness is parts of our activity that we are aware of, whether the unconscious is what we are unaware of.