PSY393H5 Lecture 1: PSY393, Lecture 1

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6 Feb 2016
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Department
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Thursday, February 4, 2016
Human Neuropsychology
Lecture 1 Notes
Introduction to Neuropsychology
-Neuropsychology: the study of the relationship between the human brain function and
behaviour. It observes behaviour (Psychology) and physiological systems (Biology).
-Neuropsychology is related to Neurology such that it focuses on the medical aspects
of diseases of the CNS. In addition, it’s related to Neuroscience because it observes
the cellular and molecular basis of the CNS function. Lastly, it’s related to Psychology
because it studies behaviour in general.
History of Neuropsychology
-Historically, people witnessed the loss of consciousness, speech, and motor control in
individuals suffering from head injuries. Intracranial head pressure was relieved after
head injuries through trephination (drilling holes in one’s head). As a result, behaviour
was shown to reside in the brain. This residence allows for the production of these
behaviours.
Observations of Brain Function
Normal Brain Function
Abnormal Brain Function
Observes what the brain does under normal
circumstances.
Observes the effects of lesions or damage of the
brain on normal function.
Observe the following functions:
1. Language abilities.
2. Perception.
3. Memory.
4. Attention.
5. Emotion.
Observe the following functions:
1. Language abilities.
2. Perception.
3. Memory.
4. Attention.
5. Emotion.
The five observed functions are tested using
approaches that observe developmental function
and aging.
Using imaging techniques, like the CT Scan and
the MRI, tallows for the localization of function
post-lesion or damage.
The Three Basic Hypotheses of Neuropsychology
The Brain Hypothesis
The Neuron Hypothesis
The Biopsychosocial Model
States that the brain is the
source of all behaviour.
States that the neuron is the
basic unit of brain structure and
function.
States that brain development
and function occurs in context
(example: stress).
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