Cognitive Psychology Flashcards
Methods?
Neuropsychology, imaging, experimental, introspection and complementary.
Baars, 1988 contrasted what?
Conscious and unconscious processes
Differences allow us to infer the functions of consciousness
LSD + placebo studies=
AP, I/E learning, P, M, AB, EE.
Sperry, 1968 split brain research?
Quasi experiments,
patients with corpus callosum split for epilepsy
No effect on intelligence- each hemisphere had its own consciousness
What were the problems with Sperry’s research?
Gazzinaga, 2000: only one conscious system- left side is interpreter.
Lacks ecological validity
Sample size- inadequate
Weiskrantz, 1974 blindsight?
Patient: DB
Procedure to remove deformity int he brain= no conscious awareness of anything in lower left quadrant.
What other research has been conducted for blindsight?
Colour information- Cowey, 1992
Emotional expressions- Gelder, 1999
Meaning of words- Marcel, 1998
Solso, 2008 FMRI study?
Addressing of the hard problem of consciousness!
Sleep, deep brain stimulation, vegetative states, stroke and epilepsy.
Default mode network
Limitations of research? 4
Lack of Eco. validity
Poor sample sizes- affecting generalisability
Severity of brain damage differs
Collated data- undermines individual diff.
What was CP do?
Identifies the correlates of consciousness!
Not the causes or where neural activity occurs!