Neuroscience Methods, Recording, Imaging and Models
Electrophysiology, EEG, structural and functional imaging, spectroscopy, lesion and stimulation methods, animal and computational models.
How to prepare for MRCPsych Paper A
Build mechanisms first, connect them to development and assessment, then practise distinguishing one best answer within SBA and extended-matching formats.
Core concepts
Concept 1
EEG, structural MRI, diffusion imaging, fMRI, PET and spectroscopy measure different neural properties with different spatial, temporal and inferential limits.
Exam cue: For any method, identify the signal measured, resolution, comparison and whether the inference is correlational or causal.
Concept 2
Lesion, stimulation, animal and computational approaches can test causal or mechanistic hypotheses, but translation to human psychiatric phenomena remains constrained.
Exam cue: Link a model to the specific feature it explains and state what the model omits.
Risk pitfalls and guardrails
Treating an activation map as a direct picture of a mental process.
Guardrail: Do not select an option because it is merely associated or familiar; choose the one that answers the exact lead-in.
Assuming an animal behaviour is identical to a human psychiatric diagnosis.
Guardrail: Do not select an option because it is merely associated or familiar; choose the one that answers the exact lead-in.
Memory anchors
What is EEG especially good at resolving?
Rapid changes in electrical activity over time, with more limited spatial localisation.
What does fMRI commonly use as an indirect signal?
Blood-oxygen-level-dependent change associated with local neural activity.
What does diffusion imaging characterise?
The direction and magnitude of water diffusion, used to infer aspects of white-matter organisation.
What can a lesion study add?
A selective deficit after damage can support a causal contribution of the affected system, subject to network and compensation effects.
What is the purpose of a computational model?
To state a mechanism precisely enough to generate quantitative predictions that can be tested against data.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
Which EEG frequency band is most prominent over the posterior head in a relaxed awake adult with eyes closed?
High-amplitude 0.5–4 Hz activity predominates during deep non-REM sleep. Which band is this?
Answer all questions to submit.
Next step personalized recommendations
Continue learning
Move forward only after this module is stable.
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