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AP Psychology 2.5 Motivation and Emotion. Energy homeostasis is mostly controlled by the what?
Transcript
- 00:00
We speak student! And here's your shmoop du jour, brought to you by, the brain. Which
- 00:07
is far too fatty, for some zombies, gluten-free brain. Alright energy homeostasis
- 00:12
is the ideal rate of energy consumption that helps maintain body weight and is
- 00:16
mostly controlled by the, what? And here are the potential answers.
- 00:21
[murdering] Alright some of these are pretty funny. The brain is the
Full Transcript
- 00:27
main organ of the nervous system and it's found in all vertebrate and most [multiple choice and brain photo]
- 00:31
invertebrate animals and congressmen. Humans differ from most mammals, because
- 00:35
we have a much more developed cerebral cortex. This allows for better planning,
- 00:40
reasoning and abstract thought. Basically the reason we have zoos. So is
- 00:44
homeostasis controlled by B, the thalamus? Well the thalamus is involved in sensory
- 00:49
and motor signal relay, as well as the regulation of consciousness and sleep.
- 00:52
This is pretty important stuff, but it isn't what we're looking for in the [romans in coliseum]
- 00:55
question. Let's cross off B from our potential answers there. How about C,
- 00:59
the amygdala. The amygdala is an almond-shaped mass of cells, that is
- 01:02
involved in many of our emotions and motivations. It also determines what
- 01:06
memories are stored in your brain. So again pretty cool, but not what we are after. So
- 01:10
cross off C. But would it be D, the hippopotamus, a hippocampus, sorry.
- 01:14
The hippocampus, which is not a university for a certain African animal, actually
- 01:19
plays a major role in long-term memory and spatial navigation. Not regulating [two hippopotamuses]
- 01:23
homeostasis, so ditch D. Perhaps it E, the fornix. Well the fornix, despite
- 01:28
sounding like an underground punk rock band, is actually a bundle of nerves that
- 01:31
carry signals from the hippocampus to other parts of the brain. If we cross E
- 01:35
off our list then we're just left with yeah A, the hypothalamus. The hypothalamus
- 01:40
controls homeostasis in part, by controlling the metabolic rate. Basically
- 01:44
it tells you when to eat, when to stop eating and other stuff. Oddly enough our
- 01:48
hypothalamus seems to shut down whenever we eat sour patch kids. Like well
- 01:53
that might be just us. So the correct answer is A, hypothalamus. Well we've
- 01:57
learned about quite a few parts of the brain, in this lesson. Maybe next week [picture of a brain]
- 02:01
we'll discover the part, that keeps getting Katy Perry songs stuck
- 02:04
our head. Baby you're a firework. We didn't say we could sing. Gluten-free brains.
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