Lust, driven by the desire for sexual gratification, is primarily motivated by the production of sex hormones testosterone and estrogen thanks to the brain's hypothalamus. Attraction, although closely related, is something different; it hinges on the brain's reward system and is the reason why ne...
Interviews scientist Simon LeVay on his theory that the hypothalamus of gay men is smaller that those of heterosexuals. Absence of brain cells that make men attracted to women among gay men; Possibility for behaviors associated with homosexuality to be genet...
Advertisement - Continue Reading Below Sex & Relationships What Do I Do If My GF Wants a Bigger Dick? 2024 Was the Year of the On-Screen Threesome What, Exactly, Is Abrosexuality? 34 Sexual Kinks and Fetishes to Know About
Higher associative cortical areas are believed to be the origin of top-down signals that are sent downward to sensory and motor cortices to modulate those lower primary areas; however, higher cortical areas themselves also project to subcortical areas such as the thalamus, hypothalamus and brainstem...
The hypothalamus, one of the most complex brain regions in the mammalian nervous system, contains an astonishing heterogeneity of neurons that regulate endocrine, autonomic and behavioral functions. It not only regulates food consumption, water intake, b
Programming of important regulatory brain regions, including the neuroen- docrine hypothalamus, via such steroid hormone effects on cell migration patterns during early development likely also contributes to sex differences in how the individual responds to environmental perturbations throughout life (Bale ...
Our natural clock is in the part of the brain called the hypothalamus, which is linked to photoreceptors located throughout the body (such as the retina). These receptors are responsible for synchronizing our internal clock with the light we absorb during the day. Understanding the circadian cycl...
Lust, driven by the desire for sexual gratification, is primarily motivated by the production of sex hormones testosterone and estrogen thanks to the brain's hypothalamus. Attraction, although closely related, is something different; it hinges on the brain's reward system and is the reason why ne...
How people wake up and regain alertness in the hours after sleep is related to how they are sleeping, eating, and exercising. Here, in a prospective longitudinal study of 833 twins and genetically unrelated adults, we demonstrate that how effectively an
Legal Terms of Use Privacy Policy Interest-Based Ads Our Sites Nat Geo Home Attend a Live Event Book a Trip Buy Maps Inspire Your Kids Shop Nat Geo Visit the D.C. Museum Watch TV Learn About Our Impact Support Our Mission Masthead Press Room Advertise With Us Join Us Subscribe Customer ...