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Acromegaly
secretion of too much growth hormone late in the growth period of life
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Adrenal glands
Endocrine glands that arouse the body regulate salt balance, adjust the body to stress and affect sexual funtioning
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Axon
fiber that carries information aways from the cell body of a neuron
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Axon terminals
bulb shaped structure and the ends of axons that form synapse with the dendrites and soma's of other neurons
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Central Nervous system
brain and spinal column
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Cerebral Cortex
outer layer of the brain
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Connector neuron
a nerve cell that links two others
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Corpus callosum
think band of fibers that connect the 2 sides (hemispheres) of the brain
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Declarative memory
that part of the long term memory containing specific factual information
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dendrites
neuron fibers that receive incoming messages
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disuse
theory that memory traces weaken when memories are not periodically used or retrieved
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echoic memory
a brief continuation of sensory activity in auditory system after the sound is heard
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effector cells
cells capable of producing a response
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elaborative rehearsal
silently repeating or mentally reviewing information to hold in a short-term memory
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encoding failure
failure to store sufficient information to form a useful memory
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endrocine system
glands whose secretions pass directly in to the blood stream or lymph system
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episodic memory
a subpart of declarative memory that records persona experiences that are linked with specific times and places
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explicit memories
a memory that a person is aware of having; a memory that is consciously retrieved
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giantism
excessive body growth
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growth hormone
a hormone secreted by the pituitary gland that promotes body growth
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hormones
a glandular secretion that affects bodily functions or behavior
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hyperthyroidism
over active thyroid
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hypopituitary dwarfism
perfectly proportional but tiny
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hypothyroidism
underachieve thyroid
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iconic memory
a mental image of visual representation
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implicit memories
a memory that a person does not know exists; a memory that is retrieved unconsciously
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information bits
meaningful units of information such as letters, words and phrases
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information chunks
information bits grouped into longer units
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interference
the tendency for new memories to impair retrieval of older memories and the reverse
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long-term memory
the memory system used for relatively permanent storage of meaningful information in STM
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maintenance rehearsal
silently repeating or mentally reviewing information to hold
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memory cues
an stimulus associated with a particular memory; memory clues usually enhance retrieval
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memory decay
the fading or weakening of memories assumed to occur when memory traces become week
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memory traces
physical changes in nerve cells or brain activity that place when memories are stored
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motor neuron
cell that carries commands from the CNS to muscles or glands
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myelin
the fatty layer that coats the axons
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nerves
a bundle of neuron axions
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neurogenesis
production of new brain cells
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neurons
individual nerve cells
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neurotransmitters
chemical released by a neuron that alters activity in the neurons
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nodes or ranvier
small gaps in the myelin sheath that helps nerve impulses to move faster
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peripheral nervous system
all parts of the nervous system outside the brain and spinal column
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pituitary gland
master gland shoes hormones influence other endocrine glands
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procedural memory
long-term memories of conditioned responses and learned skills
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recoding
reorganizing or modifying information to assit storage in memory
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reflex arc
simplest behavior in which a stimulus provokes an automatic response
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saltatory conduction
the process by which nerve impulses conducted down the axons of neurons coated with myelin jump from gap to gap in the myelin layer
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semantic memory
a subpart of declarative memory that records impersonal knowledge about the world
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sensory memory
the first stage of memory, which hold an exact record of incoming information for a few seconds or less.
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sensory neuron
classified as the neurons responsible for converting external stimuli from the environment into internal stimuli (vision, touch, hearing, etc.)
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short-term memory
(STM) the memory system used to hold small amounts of information for relatively brief time periods.
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soma
the main body of a neuron of the cell
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somatic system
carries messages to and from the sense organs and skeletal muscles; system of nerves linking the spinal cord with the body and sense nerves
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state-dependent learning
memory influenced by one's bodily state of at the time of learning and at the time of retrieval. Improved memory occurs when bodily states match.
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synapse
the microscopic space between two neurons, over which messages pass
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thyroid gland
endocrine gland that helps regulate the state of metabolism
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working memory
another name for STM; especially when it is used for thinking or problem solving
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How the two types of Rehearsal Affect Memory
- Maintenance rehearsal
- Elaborate Encoding
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Maintenance rehearsal
Prolongs memory by silently repeating itIn a sense rehearsing information allows you to hear it as many times not just onceThe more times a short-term memory is rehearsed, the greater its chances of being stored in LTM
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Elaborate Encoding
- Links new information to memories that are already in LTM
- When studying you will remember more if you elaborate on the meaning of the information
- Ask questions such as "why"?
- Try to related new ideas to your own experiences and knowledge
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