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Brain Imaging
Functional Magnetic Resonance Imaging fMRI Works by detecting changes in blood flow and oxygenation that occur as a result of neural activity in specific areas of the brain When a...
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Circadian Rhythms
Siffre's Cave Study Siffre spent several extended periods underground to study the effects on his own biological rhythems He was deprived of exposure to natural light and sound, bu...
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Evaluating Brain Imaging
fMRI Does not use radiation Risk free, non invasive, straightforward Produces images that have very high resolution, showing by the millimetre Expensive compared to tother neuroima...
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Evaluating Fight or Flight Response
The tend and befriend response Type: Limitation Study: Taylor et al. 2000 For females, behavioural responses to stress are more characterised by a pattern of tend and befriend than...
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Evaluating Localisation of function in the Brain
Missing a limitation Brain scan evidence Type: Strength Study: Peterson et al. 1988 Used brain scans to show activity in Wernicke's area during a listening task and in Broca's area...
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Fight or Flight Response
Amygdala and Hypothalamus When an individual is faced with a threat, an area of the brain called the amygdala is mobilised The amygdala associates what we see, hear, smell, etc. wi...
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Infradian Rhythms
The Menstrual Cycle Governed by monthly changes in hormone levels which regulate ovulation Cycle refers to the time between the first day of a woman's period to the day before her...
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Introduction to Rhythms
Biological Rhythms All living organisms are subject to biological rhythms which influence how body systems behave. They are all governed by two factors: the body's internal biologi...
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Localisation of function in the Brain
Localisation: the theory that specific areas of the brain are associated with particular physical and psychological functions. Hemispheres The brain is split into two hemispheres:...
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Neurons
Neurons send electrical impulses as information. Dendrites receive signals from other neurons or from sensory receptors. The cell body is the control of the neuron. The axon carrie...
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Synaptic Transmission
The transmission of chemical messages neuro transmitters across the gap of two synapses . This enables neurons to send each other signals. Excitatory Neurotransmitters i.e., adrena...
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The Endocrine System
System of glands throughout the body Secretes hormones into the bloodstream which are sent to target cells and organs Helps to regulate the activity of cells and organs in the body...
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The Nervous System
Types Central CNS Brain and spinal cord Receives and processes information from sensory receptors Spinal cord relays information between the brain and rest of the body Peripheral P...
psychologybiopsychology