PSY 110 Lecture Notes - Lecture 5: Passport Records, Frontal Lobe, Parietal LobePremium
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A. Imaging Techniques
1. CAT or CT
1. CAT/ CT scan— one of the earliest brain scans was an X-ray machine
1. Injected with small, safe amount of radioactivity
2. Different States (Early research in brain function)
1. Resting state
2. Language and Music
3. Language— Left side lights up more
4. Music— Right side lights up more
3. MRI and FMRI
1. Above research now done on MRI
1. A lot of psychologists are devoting their lives to doing MRIs to!research
human brain function and activity
4. Lesions, Stimulation, and recording***— electrodes inserted into the brain to record
animal thought patterns, etc..!
B. Overview of Brain !(See Diagram***)
1. Cerebral Cortex (New Brain), Cerebrum, Neocortex
1. Left and Right Hemispheres
1. Connected by big bundle of ﬁber
2. Corpus Callosum
3. Contralateral Connection
1. Brain is contralaterally wired
1. Vision is contralateral!
1. Everything in left visual ﬁeld, goes to right slide of my eye, and
vice versa for right visual ﬁeld
4. Cerebellum (Old Brain)
1. Shared with reptiles (Reptilian; not conscious; reacts with what it wants to do;
2. Mammals evolved new brain, now referred to Cerebral Cortex
C. The Cerebral Cortex
— Largest structure in the Brain
1. Frontal Lobe— motion/ movement!
1. EX: stroke that prevents them from moving, then it probably occurred in left,
2. Broca’s area: Sub-area of frontal lobe— Responsible for Speech
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