Cerebral Cortex
The outer layer of neural tissue of the cerebrum, responsible for higher brain functions including sensation, voluntary muscle movement, thought, reasoning, and memory.
Hippocampus
A paired seahorse-shaped structure in the medial temporal lobe critical for forming, organizing, and storing new memories, particularly episodic and spatial memory.
Amygdala
An almond-shaped cluster of nuclei located deep within the temporal lobe, primarily involved in emotional processing, fear conditioning, and threat detection.
Basal Ganglia Circuitry
A group of subcortical nuclei responsible for motor control, procedural learning, habit formation, eye movements, and executive functions. Involves direct and indirect pathways.
Thalamus
Often called the brain's relay station, the thalamus processes and routes sensory and motor signals to the cerebral cortex, while also regulating consciousness and sleep.
Prefrontal Cortex
The anterior-most region of the frontal lobes governing executive functions: decision-making, planning, social behavior modulation, and abstract reasoning.
Corpus Callosum
The massive white matter tract connecting the left and right cerebral hemispheres. Essential for interhemispheric communication and coordinated bilateral function.
Cerebellum
Located at the back of the brain, the cerebellum coordinates voluntary movement, balance, posture, and increasingly recognized roles in cognitive and emotional processing.
Brain Stem
Comprising the midbrain, pons, and medulla oblongata, the brainstem regulates vital autonomic functions including breathing, heart rate, and sleep-wake cycles.
Pineal Gland & Melatonin
A small neuroendocrine structure that secretes melatonin in response to darkness, regulating circadian rhythms. Explored through historical, physiological, and clinical lenses.