Neurosurgical patients self-stimulating the midline thalamus in Dr. Robert Heath's studies reported feelings of mild frustration and anger that they experienced as highly arousing and motivating

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The tube test is a neurobehavioral laboratory assay used in rodents to evaluate social dominance, competitive drive, and persistence

Neurobiological research by Dr. Lindsay Schwarz demonstrates that specific midline thalamic circuits regulate behavioral switches between forward engagement, freezing, and retreat in response to predatory threats

In rodent tube test experiments, prior winning experiences increase the statistical probability of subsequent victories in future bouts

The mammalian hypothalamus contains primitive neural circuits that govern fundamental instinctive drives including mating, feeding, fighting, and fleeing

In Wintering, Katherine May describes toxic positivity as offering upbeat slogans to people who are unhappy rather than acknowledging their suffering

Terry Bradshaw underwent three days of brain testing at Yale University, which showed no evidence of dementia or Alzheimer's disease

Silencing specific prefrontal cortical neural circuits in mice causes previously dominant mice to lose territory battles in the rodent tube test

Stanford neurosurgeon Dr. Josef Parvizi demonstrated that electrical stimulation of the human anterior midcingulate cortex evokes a subjective feeling of an impending challenge combined with a resolve to fight it

Experimental optogenetic or electrical activation of prefrontal cortical circuits in mice transforms previously subordinate mice into persistent winners in the tube test

Terry Bradshaw undertook a 14-day personal challenge to speak exclusively positive statements to everyone he encountered

Acute painful stressors trigger the release of epinephrine in the peripheral nervous system and norepinephrine from the locus coeruleus in the brain

Testing shows human blood chemistry during the nocturnal waking period of biphasic sleep exhibits hormone levels similar to a lactating mother

In clinical neurosurgical experiments conducted by Dr. Robert Heath, patients with implanted intracranial electrodes most frequently chose to self-stimulate regions of the midline thalamus

The mammalian prefrontal cortex mediates top-down control over subcortical structures to support conscious strategy execution and competitive persistence

In northern Scotland's Pentland Firth, tidal currents can reach speeds of up to 10 knots

Deciduous trees produce their spring buds before their autumn leaves drop off

Dilating visual gaze into wide panoramic peripheral vision activates parasympathetic circuits, reduces systemic autonomic arousal, and broadens visual motion perception

Extremely high perceived stakes during motor tasks can cause excess cortical motor unit recruitment, degrading fine motor precision and causing choking under pressure

Katherine May's book Enchantment focuses on recovering from emotional dislocation by reconnecting with everyday awe and wonder

The University of Iceland partnered with Ross Edgley during his Iceland swim to collect environmental DNA samples to track marine biodiversity