Related by context. Frequent words. (Click for all words.) 68 prefrontal cortex 68 amygdala 66 cortex 66 basal ganglia 64 striatum 63 cerebellum 63 frontal cortex 63 neocortex 63 hypothalamus 63 thalamus 63 cerebral cortex 63 nucleus accumbens 62 temporal lobe 61 insula 60 frontal lobe 59 visual cortex 59 frontal lobes 59 neural 59 autonomic nervous system 59 hippocampus 58 cortical 57 neurotransmitter 57 neurochemical 57 brainstem 57 neural circuits 56 brain circuitry 56 dopamine 55 olfactory 55 ventral 55 brain 54 neurotransmitters 54 neurons 54 neural pathways 54 cognition 53 neuron 53 Dopamine 53 auditory 52 inhibitory 52 neuronal 52 serotonin 52 vasopressin 52 synaptic 51 synapses 51 synapse 51 receptors 51 subconscious 51 cochlea 51 evolutionarily 51 neurones 51 nerve cells 51 neuroendocrine 50 physiological 50 sensory input 50 somatic 50 vestibular 50 norepinephrine 50 subconscious mind 49 glutamate 49 sensory 49 neural networks 49 cognitive functions 49 signal transduction 49 vagus nerve 49 mammalian 48 Cortisol 48 motor cortex 48 nerve endings 48 neurobiological 48 arousal 48 skeletal muscles 48 signaling molecules 48 perceptual 48 BDNF 47 overactive 47 nerve fibers 47 hardwired 47 Serotonin 47 vertebrates 47 autonomic 47 neurobiology 46 axon 46 dorsal 46 cognitive 46 excitability 46 peripheral nerves 46 nerve impulses 45 receptor 45 stress hormones 45 activates 45 glands 45 salivary glands 45 Neurons 45 instinctual 45 circuitry 45 innate immune system 45 primal 45 plasma membrane 45 acetylcholine 45 axons 45 NPY 45 brains