Probation Officer Paper II: Psychology · 4 Physiological Psychology · APPSC Paper I
4.1 Physiological psychology notes
2 notes, in reading order.
- 4.1.1Neuron, synapse, neurotransmitters and the nervous system
The neuron is the basic information-processing unit of the nervous system; it fires an all-or-none electrical impulse down its axon and passes the message across a synapse with chemical neurotransmitters; neurons form the central (brain, spinal cord) and peripheral (somatic, autonomic) nervous systems, and the autonomic system has a sympathetic (fight or flight) and a parasympathetic (rest and digest) branch.
Standard · 13 min · Read here - 4.1.2The brain, hemispheric specialisation and the endocrine system
The brain has three parts, hindbrain (life support, balance), midbrain (reflexes, relay) and forebrain (thalamus, hypothalamus, limbic system, cerebral cortex); its two hemispheres do partly different jobs (left: language and analysis; right: space, faces, holistic processing) joined by the corpus callosum; and the endocrine glands shape behaviour slowly through hormones carried in the blood.
Standard · 16 min · Read here
Practise Physiological psychology. Questions with answers explained, from the same topics.
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