Archive for the ‘Neuroscience’ Category

Male sexual response stages

July 4, 2015

DEOR

  • Desire
  • Excitement
  • Orgasm
  • Resolution
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Hardy-Weinberg principle

June 30, 2015

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  • Mutations must not occur
  • Gene Flow must not occcur (no migration in or out)
  • Random mating
  • Selection (natural) must not occur
  • Drift (genetic) must not occur

A gene pool that remains constant in allele and genotype frequencies.

Substantia nigra functions

April 17, 2015

niGRA

  • Gestures (movement)
  • Reward
  • Addiction

Cingulate gyrus functions

March 24, 2015

Two main functions are dealing with pain and regulating aggression.

To remember, think of some awful contestant singing on that awful show, X-factor. Criticism from the judges for her singing (CINGulate) causes pain initially which leads on to aggression (usually towards the judges).

cingulate_gyrus

More info here

EEG wave frequencies

February 11, 2015

DTAB

  • Delta 0-4 Hz
  • Theta 4-8 Hz
  • Alpha 8-13 Hz
  • Beta 13+ Hz

EEG

Source here

Circumventricular organ

January 3, 2015

PMS SOAP

  • Pineal gland
  • Median eminence
  • Subfornical organ
  • Subcommisural organ
  • OVLT – organum vasculosum of lamina terminalis
  • Area prostema
  • Posterior pituitary

pms_soap

Dopamine pathways

September 8, 2014

MiLC TINS

  • MesoLimbic
  • MesoCortical
  • TuberoInfundibular
  • NigroStriatal

Limbic system functions

August 7, 2014

A DEMON (or MOANED)

  • Autonomic control
  • Drives
  • Emotion
  • Memory
  • Olfaction
  • Neuroendocrine control

Main regions of the limbic system – hippocampus, amygdala

Source here

Neocortex layers

February 28, 2014

MGP GPM

  • Molecular
  • external Granular
  • external Pyramidal
  • internal Granular
  • internal Pyramidal
  • Multiform

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Cerebral cortex – three parts:

  • Archicortex – connects limbic system to the cortex
  • Paleocortex – linked to olfactory system
  • Neocortex – 90% of the cortex

Neurotransmitter types

February 14, 2014

GOD SANG

  • GABA
  • Opiate
  • Dopamine
  • Serotonin
  • Acetylcholine
  • Noradrenaline
  • Glutamate