Extra textbook questions from Chapter 1 and 2 Flashcards
The absence of ACh is common in which disease?
Alzheimer’s
Which disease happens when there is too much dopamine? Too little?
too much: schizophrenia
too little: parkinson’s
What disease happens when there is too little serotonin/norepinephrine?
depression
What disease happens when there is too little GABA?
seizures, tremors, insomnia
What disease happens when there is too much glutamate?
migraines or seizures
How does an EEG work?
example of study using EEG
- electrodes on scalp
- depression/anxiety correlate with increase activity of RFL
How does an MEG work?
example of study using MEG
head coil records magnetic feilds from brains electrical currents
- PTSD: stronger magnetic fields when shown traumatic images
How does a PET work?
example of study using PET
tracks radioactive glucose
- anxious monkeys use more glucose in fear regions of the brain
How does an MRI work?
example of study using MRI
magnetic fields and radio waves map the brain
- voilent people have smaller frontal lobes visible on MRI
How does an fMRI work?
example of study using fMRI
measures blood flow to brain regions by comparing MRIs
- plane crash survivors showed activation in fear and memory areas when looking at 9/11 videos
what is reticular formation
nerve network from spinal chord to thalamus, filters and relays to other areas, arousal
Damage to the ______ would make you unable to hear
thalamus
What is the limbic system? what is included in the limbic system?
border between the old and new brain
- hypothalamus, hippocampus, amygdala
What does the hypothalamus control?
reward centre, hunger thirst body temp sex
What is reward deficiency syndrome?
people seek relief from negative feelings
What is lesioning?
making scar tissue in the brain
What did Fritsch and Hitzig discover?
mild stimulus of the cortex makes the body move
What did Foerster and Penfield discover?
mapped the motor cortex by stimulating the cortex of wide awake patients
What are association areas?
NOT involved in primary motor or sensory functions; higher mental functions like learning, remembering, thinking, speaking
- found in all 4 lobes
- interprets, integrates and acts on sensory information
Which lobe is in charge of mathematical and spatial reasoning
parietal lobes
the flexible brain’s ability to respond to damage is evident in _______
young children
What is psychodynamic psychology?
behaviour springs from unconscious drives/ conflicts
What is social cultural psychology?
How behaviour and thinking vary across situations and cultures
What is behavioural psychology?
how we respond to and learn in different situations
